251200440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 320

約数和(自身を含む): 907441920

約数和(自身を除く): 656241480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 41, 45, 54, 60, 61, 62, 72, 81, 82, 90, 93, 108, 120, 122, 123, 124, 135, 155, 162, 164, 180, 183, 186, 205, 216, 244, 246, 248, 270, 279, 305, 310, 324, 328, 360, 366, 369, 372, 405, 410, 465, 488, 492, 540, 549, 558, 610, 615, 620, 648, 732, 738, 744, 810, 820, 837, 915, 930, 984, 1080, 1098, 1107, 1116, 1220, 1230, 1240, 1271, 1395, 1464, 1476, 1620, 1640, 1647, 1674, 1830, 1845, 1860, 1891, 2196, 2214, 2232, 2440, 2460, 2501, 2511, 2542, 2745, 2790, 2952, 3240, 3294, 3321, 3348, 3660, 3690, 3720, 3782, 3813, 4185, 4392, 4428, 4920, 4941, 5002, 5022, 5084, 5490, 5535, 5580, 5673, 6355, 6588, 6642, 6696, 7320, 7380, 7503, 7564, 7626, 8235, 8370, 8856, 9455, 9882, 10004, 10044, 10168, 10980, 11070, 11160, 11346, 11439, 12505, 12555, 12710, 13176, 13284, 14760, 15006, 15128, 15252, 16470, 16605, 16740, 17019, 18910, 19065, 19764, 20008, 20088, 21960, 22140, 22509, 22692, 22878, 24705, 25010, 25110, 25420, 26568, 28365, 30012, 30504, 32940, 33210, 33480, 34038, 34317, 37515, 37820, 38130, 39528, 44280, 45018, 45384, 45756, 49410, 50020, 50220, 50840, 51057, 56730, 57195, 60024, 65880, 66420, 67527, 68076, 68634, 75030, 75640, 76260, 77531, 85095, 90036, 91512, 98820, 100040, 100440, 102114, 102951, 112545, 113460, 114390, 132840, 135054, 136152, 137268, 150060, 152520, 153171, 155062, 170190, 171585, 180072, 197640, 202581, 204228, 205902, 225090, 226920, 228780, 232593, 255285, 270108, 274536, 300120, 306342, 310124, 337635, 340380, 343170, 387655, 405162, 408456, 411804, 450180, 457560, 465186, 510570, 514755, 540216, 612684, 620248, 675270, 680760, 686340, 697779, 765855, 775310, 810324, 823608, 900360, 930372, 1012905, 1021140, 1029510, 1162965, 1225368, 1350540, 1372680, 1395558, 1531710, 1550620, 1620648, 1860744, 2025810, 2042280, 2059020, 2093337, 2325930, 2701080, 2791116, 3063420, 3101240, 3488895, 4051620, 4118040, 4186674, 4651860, 5582232, 6126840, 6280011, 6977790, 8103240, 8373348, 9303720, 10466685, 12560022, 13955580, 16746696, 20933370, 25120044, 27911160, 31400055, 41866740, 50240088, 62800110, 83733480, 125600220, 251200440]

約数ペア:

[(1, 251200440), (2, 125600220), (3, 83733480), (4, 62800110), (5, 50240088), (6, 41866740), (8, 31400055), (9, 27911160), (10, 25120044), (12, 20933370), (15, 16746696), (18, 13955580), (20, 12560022), (24, 10466685), (27, 9303720), (30, 8373348), (31, 8103240), (36, 6977790), (40, 6280011), (41, 6126840), (45, 5582232), (54, 4651860), (60, 4186674), (61, 4118040), (62, 4051620), (72, 3488895), (81, 3101240), (82, 3063420), (90, 2791116), (93, 2701080), (108, 2325930), (120, 2093337), (122, 2059020), (123, 2042280), (124, 2025810), (135, 1860744), (155, 1620648), (162, 1550620), (164, 1531710), (180, 1395558), (183, 1372680), (186, 1350540), (205, 1225368), (216, 1162965), (244, 1029510), (246, 1021140), (248, 1012905), (270, 930372), (279, 900360), (305, 823608), (310, 810324), (324, 775310), (328, 765855), (360, 697779), (366, 686340), (369, 680760), (372, 675270), (405, 620248), (410, 612684), (465, 540216), (488, 514755), (492, 510570), (540, 465186), (549, 457560), (558, 450180), (610, 411804), (615, 408456), (620, 405162), (648, 387655), (732, 343170), (738, 340380), (744, 337635), (810, 310124), (820, 306342), (837, 300120), (915, 274536), (930, 270108), (984, 255285), (1080, 232593), (1098, 228780), (1107, 226920), (1116, 225090), (1220, 205902), (1230, 204228), (1240, 202581), (1271, 197640), (1395, 180072), (1464, 171585), (1476, 170190), (1620, 155062), (1640, 153171), (1647, 152520), (1674, 150060), (1830, 137268), (1845, 136152), (1860, 135054), (1891, 132840), (2196, 114390), (2214, 113460), (2232, 112545), (2440, 102951), (2460, 102114), (2501, 100440), (2511, 100040), (2542, 98820), (2745, 91512), (2790, 90036), (2952, 85095), (3240, 77531), (3294, 76260), (3321, 75640), (3348, 75030), (3660, 68634), (3690, 68076), (3720, 67527), (3782, 66420), (3813, 65880), (4185, 60024), (4392, 57195), (4428, 56730), (4920, 51057), (4941, 50840), (5002, 50220), (5022, 50020), (5084, 49410), (5490, 45756), (5535, 45384), (5580, 45018), (5673, 44280), (6355, 39528), (6588, 38130), (6642, 37820), (6696, 37515), (7320, 34317), (7380, 34038), (7503, 33480), (7564, 33210), (7626, 32940), (8235, 30504), (8370, 30012), (8856, 28365), (9455, 26568), (9882, 25420), (10004, 25110), (10044, 25010), (10168, 24705), (10980, 22878), (11070, 22692), (11160, 22509), (11346, 22140), (11439, 21960), (12505, 20088), (12555, 20008), (12710, 19764), (13176, 19065), (13284, 18910), (14760, 17019), (15006, 16740), (15128, 16605), (15252, 16470)]