205150320

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 240

約数和(自身を含む): 730390752

約数和(自身を除く): 525240432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 108, 120, 122, 135, 144, 162, 173, 180, 183, 216, 240, 243, 244, 270, 305, 324, 346, 360, 366, 405, 432, 486, 488, 519, 540, 549, 610, 648, 692, 720, 732, 810, 865, 915, 972, 976, 1038, 1080, 1098, 1215, 1220, 1296, 1384, 1464, 1557, 1620, 1647, 1730, 1830, 1944, 2076, 2160, 2196, 2430, 2440, 2595, 2745, 2768, 2928, 3114, 3240, 3294, 3460, 3660, 3888, 4152, 4392, 4671, 4860, 4880, 4941, 5190, 5490, 6228, 6480, 6588, 6920, 7320, 7785, 8235, 8304, 8784, 9342, 9720, 9882, 10380, 10553, 10980, 12456, 13176, 13840, 14013, 14640, 14823, 15570, 16470, 18684, 19440, 19764, 20760, 21106, 21960, 23355, 24705, 24912, 26352, 28026, 29646, 31140, 31659, 32940, 37368, 39528, 41520, 42039, 42212, 43920, 46710, 49410, 52765, 56052, 59292, 62280, 63318, 65880, 70065, 74115, 74736, 79056, 84078, 84424, 93420, 94977, 98820, 105530, 112104, 118584, 124560, 126636, 131760, 140130, 148230, 158295, 168156, 168848, 186840, 189954, 197640, 210195, 211060, 224208, 237168, 253272, 280260, 284931, 296460, 316590, 336312, 373680, 379908, 395280, 420390, 422120, 474885, 506544, 560520, 569862, 592920, 633180, 672624, 759816, 840780, 844240, 854793, 949770, 1121040, 1139724, 1185840, 1266360, 1424655, 1519632, 1681560, 1709586, 1899540, 2279448, 2532720, 2564379, 2849310, 3363120, 3419172, 3799080, 4273965, 4558896, 5128758, 5698620, 6838344, 7598160, 8547930, 10257516, 11397240, 12821895, 13676688, 17095860, 20515032, 22794480, 25643790, 34191720, 41030064, 51287580, 68383440, 102575160, 205150320]

約数ペア:

[(1, 205150320), (2, 102575160), (3, 68383440), (4, 51287580), (5, 41030064), (6, 34191720), (8, 25643790), (9, 22794480), (10, 20515032), (12, 17095860), (15, 13676688), (16, 12821895), (18, 11397240), (20, 10257516), (24, 8547930), (27, 7598160), (30, 6838344), (36, 5698620), (40, 5128758), (45, 4558896), (48, 4273965), (54, 3799080), (60, 3419172), (61, 3363120), (72, 2849310), (80, 2564379), (81, 2532720), (90, 2279448), (108, 1899540), (120, 1709586), (122, 1681560), (135, 1519632), (144, 1424655), (162, 1266360), (173, 1185840), (180, 1139724), (183, 1121040), (216, 949770), (240, 854793), (243, 844240), (244, 840780), (270, 759816), (305, 672624), (324, 633180), (346, 592920), (360, 569862), (366, 560520), (405, 506544), (432, 474885), (486, 422120), (488, 420390), (519, 395280), (540, 379908), (549, 373680), (610, 336312), (648, 316590), (692, 296460), (720, 284931), (732, 280260), (810, 253272), (865, 237168), (915, 224208), (972, 211060), (976, 210195), (1038, 197640), (1080, 189954), (1098, 186840), (1215, 168848), (1220, 168156), (1296, 158295), (1384, 148230), (1464, 140130), (1557, 131760), (1620, 126636), (1647, 124560), (1730, 118584), (1830, 112104), (1944, 105530), (2076, 98820), (2160, 94977), (2196, 93420), (2430, 84424), (2440, 84078), (2595, 79056), (2745, 74736), (2768, 74115), (2928, 70065), (3114, 65880), (3240, 63318), (3294, 62280), (3460, 59292), (3660, 56052), (3888, 52765), (4152, 49410), (4392, 46710), (4671, 43920), (4860, 42212), (4880, 42039), (4941, 41520), (5190, 39528), (5490, 37368), (6228, 32940), (6480, 31659), (6588, 31140), (6920, 29646), (7320, 28026), (7785, 26352), (8235, 24912), (8304, 24705), (8784, 23355), (9342, 21960), (9720, 21106), (9882, 20760), (10380, 19764), (10553, 19440), (10980, 18684), (12456, 16470), (13176, 15570), (13840, 14823), (14013, 14640)]