261315120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:192

約数の個数: 240

約数和(自身を含む): 922012416

約数和(自身を除く): 660697296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 103, 110, 120, 124, 132, 155, 165, 176, 186, 206, 220, 240, 248, 264, 309, 310, 330, 341, 372, 412, 440, 465, 496, 515, 528, 618, 620, 660, 682, 744, 824, 880, 930, 961, 1023, 1030, 1133, 1236, 1240, 1320, 1364, 1488, 1545, 1648, 1705, 1860, 1922, 2046, 2060, 2266, 2472, 2480, 2640, 2728, 2883, 3090, 3193, 3399, 3410, 3720, 3844, 4092, 4120, 4532, 4805, 4944, 5115, 5456, 5665, 5766, 6180, 6386, 6798, 6820, 7440, 7688, 8184, 8240, 9064, 9579, 9610, 10230, 10571, 11330, 11532, 12360, 12772, 13596, 13640, 14415, 15376, 15965, 16368, 16995, 18128, 19158, 19220, 20460, 21142, 22660, 23064, 24720, 25544, 27192, 27280, 28830, 31713, 31930, 33990, 35123, 38316, 38440, 40920, 42284, 45320, 46128, 47895, 51088, 52855, 54384, 57660, 63426, 63860, 67980, 70246, 76632, 76880, 81840, 84568, 90640, 95790, 98983, 105369, 105710, 115320, 126852, 127720, 135960, 140492, 153264, 158565, 169136, 175615, 191580, 197966, 210738, 211420, 230640, 253704, 255440, 271920, 280984, 296949, 317130, 351230, 383160, 395932, 421476, 422840, 494915, 507408, 526845, 561968, 593898, 634260, 702460, 766320, 791864, 842952, 845680, 989830, 1053690, 1088813, 1187796, 1268520, 1404920, 1484745, 1583728, 1685904, 1979660, 2107380, 2177626, 2375592, 2537040, 2809840, 2969490, 3266439, 3959320, 4214760, 4355252, 4751184, 5444065, 5938980, 6532878, 7918640, 8429520, 8710504, 10888130, 11877960, 13065756, 16332195, 17421008, 21776260, 23755920, 26131512, 32664390, 43552520, 52263024, 65328780, 87105040, 130657560, 261315120]

約数ペア:

[(1, 261315120), (2, 130657560), (3, 87105040), (4, 65328780), (5, 52263024), (6, 43552520), (8, 32664390), (10, 26131512), (11, 23755920), (12, 21776260), (15, 17421008), (16, 16332195), (20, 13065756), (22, 11877960), (24, 10888130), (30, 8710504), (31, 8429520), (33, 7918640), (40, 6532878), (44, 5938980), (48, 5444065), (55, 4751184), (60, 4355252), (62, 4214760), (66, 3959320), (80, 3266439), (88, 2969490), (93, 2809840), (103, 2537040), (110, 2375592), (120, 2177626), (124, 2107380), (132, 1979660), (155, 1685904), (165, 1583728), (176, 1484745), (186, 1404920), (206, 1268520), (220, 1187796), (240, 1088813), (248, 1053690), (264, 989830), (309, 845680), (310, 842952), (330, 791864), (341, 766320), (372, 702460), (412, 634260), (440, 593898), (465, 561968), (496, 526845), (515, 507408), (528, 494915), (618, 422840), (620, 421476), (660, 395932), (682, 383160), (744, 351230), (824, 317130), (880, 296949), (930, 280984), (961, 271920), (1023, 255440), (1030, 253704), (1133, 230640), (1236, 211420), (1240, 210738), (1320, 197966), (1364, 191580), (1488, 175615), (1545, 169136), (1648, 158565), (1705, 153264), (1860, 140492), (1922, 135960), (2046, 127720), (2060, 126852), (2266, 115320), (2472, 105710), (2480, 105369), (2640, 98983), (2728, 95790), (2883, 90640), (3090, 84568), (3193, 81840), (3399, 76880), (3410, 76632), (3720, 70246), (3844, 67980), (4092, 63860), (4120, 63426), (4532, 57660), (4805, 54384), (4944, 52855), (5115, 51088), (5456, 47895), (5665, 46128), (5766, 45320), (6180, 42284), (6386, 40920), (6798, 38440), (6820, 38316), (7440, 35123), (7688, 33990), (8184, 31930), (8240, 31713), (9064, 28830), (9579, 27280), (9610, 27192), (10230, 25544), (10571, 24720), (11330, 23064), (11532, 22660), (12360, 21142), (12772, 20460), (13596, 19220), (13640, 19158), (14415, 18128), (15376, 16995), (15965, 16368)]