215501520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 767450880

約数和(自身を除く): 551949360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 34, 39, 40, 48, 51, 52, 60, 65, 68, 78, 80, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 208, 221, 239, 240, 255, 260, 272, 289, 312, 340, 390, 408, 442, 478, 510, 520, 578, 624, 663, 680, 717, 780, 816, 867, 884, 956, 1020, 1040, 1105, 1156, 1195, 1326, 1360, 1434, 1445, 1560, 1734, 1768, 1912, 2040, 2210, 2312, 2390, 2652, 2868, 2890, 3107, 3120, 3315, 3468, 3536, 3585, 3757, 3824, 4063, 4080, 4335, 4420, 4624, 4780, 5304, 5736, 5780, 6214, 6630, 6936, 7170, 7514, 8126, 8670, 8840, 9321, 9560, 10608, 11271, 11472, 11560, 12189, 12428, 13260, 13872, 14340, 15028, 15535, 16252, 17340, 17680, 18642, 18785, 19120, 20315, 22542, 23120, 24378, 24856, 26520, 28680, 30056, 31070, 32504, 34680, 37284, 37570, 40630, 45084, 46605, 48756, 49712, 52819, 53040, 56355, 57360, 60112, 60945, 62140, 65008, 69071, 69360, 74568, 75140, 81260, 90168, 93210, 97512, 105638, 112710, 121890, 124280, 138142, 149136, 150280, 158457, 162520, 180336, 186420, 195024, 207213, 211276, 225420, 243780, 248560, 264095, 276284, 300560, 316914, 325040, 345355, 372840, 414426, 422552, 450840, 487560, 528190, 552568, 633828, 690710, 745680, 792285, 828852, 845104, 897923, 901680, 975120, 1036065, 1056380, 1105136, 1267656, 1381420, 1584570, 1657704, 1795846, 2072130, 2112760, 2535312, 2693769, 2762840, 3169140, 3315408, 3591692, 4144260, 4225520, 4489615, 5387538, 5525680, 6338280, 7183384, 8288520, 8979230, 10775076, 12676560, 13468845, 14366768, 16577040, 17958460, 21550152, 26937690, 35916920, 43100304, 53875380, 71833840, 107750760, 215501520]

約数ペア:

[(1, 215501520), (2, 107750760), (3, 71833840), (4, 53875380), (5, 43100304), (6, 35916920), (8, 26937690), (10, 21550152), (12, 17958460), (13, 16577040), (15, 14366768), (16, 13468845), (17, 12676560), (20, 10775076), (24, 8979230), (26, 8288520), (30, 7183384), (34, 6338280), (39, 5525680), (40, 5387538), (48, 4489615), (51, 4225520), (52, 4144260), (60, 3591692), (65, 3315408), (68, 3169140), (78, 2762840), (80, 2693769), (85, 2535312), (102, 2112760), (104, 2072130), (120, 1795846), (130, 1657704), (136, 1584570), (156, 1381420), (170, 1267656), (195, 1105136), (204, 1056380), (208, 1036065), (221, 975120), (239, 901680), (240, 897923), (255, 845104), (260, 828852), (272, 792285), (289, 745680), (312, 690710), (340, 633828), (390, 552568), (408, 528190), (442, 487560), (478, 450840), (510, 422552), (520, 414426), (578, 372840), (624, 345355), (663, 325040), (680, 316914), (717, 300560), (780, 276284), (816, 264095), (867, 248560), (884, 243780), (956, 225420), (1020, 211276), (1040, 207213), (1105, 195024), (1156, 186420), (1195, 180336), (1326, 162520), (1360, 158457), (1434, 150280), (1445, 149136), (1560, 138142), (1734, 124280), (1768, 121890), (1912, 112710), (2040, 105638), (2210, 97512), (2312, 93210), (2390, 90168), (2652, 81260), (2868, 75140), (2890, 74568), (3107, 69360), (3120, 69071), (3315, 65008), (3468, 62140), (3536, 60945), (3585, 60112), (3757, 57360), (3824, 56355), (4063, 53040), (4080, 52819), (4335, 49712), (4420, 48756), (4624, 46605), (4780, 45084), (5304, 40630), (5736, 37570), (5780, 37284), (6214, 34680), (6630, 32504), (6936, 31070), (7170, 30056), (7514, 28680), (8126, 26520), (8670, 24856), (8840, 24378), (9321, 23120), (9560, 22542), (10608, 20315), (11271, 19120), (11472, 18785), (11560, 18642), (12189, 17680), (12428, 17340), (13260, 16252), (13872, 15535), (14340, 15028)]