1220027640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:1006

約数の個数: 256

約数和(自身を含む): 4228761600

約数和(自身を除く): 3008733960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 37, 39, 40, 46, 52, 60, 65, 69, 74, 78, 92, 104, 111, 115, 120, 130, 138, 148, 156, 184, 185, 195, 222, 230, 260, 276, 296, 299, 312, 345, 370, 390, 444, 460, 481, 520, 552, 555, 598, 690, 740, 780, 851, 888, 897, 919, 920, 962, 1110, 1196, 1380, 1443, 1480, 1495, 1560, 1702, 1794, 1838, 1924, 2220, 2392, 2405, 2553, 2757, 2760, 2886, 2990, 3404, 3588, 3676, 3848, 4255, 4440, 4485, 4595, 4810, 5106, 5514, 5772, 5980, 6808, 7176, 7215, 7352, 8510, 8970, 9190, 9620, 10212, 11028, 11063, 11544, 11947, 11960, 12765, 13785, 14430, 17020, 17940, 18380, 19240, 20424, 21137, 22056, 22126, 23894, 25530, 27570, 28860, 33189, 34003, 34040, 35841, 35880, 36760, 42274, 44252, 47788, 51060, 55140, 55315, 57720, 59735, 63411, 66378, 68006, 71682, 84548, 88504, 95576, 102009, 102120, 105685, 110280, 110630, 119470, 126822, 132756, 136012, 143364, 165945, 169096, 170015, 179205, 204018, 211370, 221260, 238940, 253644, 265512, 272024, 274781, 286728, 317055, 331890, 340030, 358410, 408036, 422740, 442039, 442520, 477880, 507288, 510045, 549562, 634110, 663780, 680060, 716820, 782069, 816072, 824343, 845480, 884078, 1020090, 1099124, 1268220, 1326117, 1327560, 1360120, 1373905, 1433640, 1564138, 1648686, 1768156, 2040180, 2198248, 2210195, 2346207, 2536440, 2652234, 2747810, 3128276, 3297372, 3536312, 3910345, 4080360, 4121715, 4420390, 4692414, 5304468, 5495620, 6256552, 6594744, 6630585, 7820690, 8243430, 8840780, 9384828, 10166897, 10608936, 10991240, 11731035, 13261170, 15641380, 16486860, 17681560, 18769656, 20333794, 23462070, 26522340, 30500691, 31282760, 32973720, 40667588, 46924140, 50834485, 53044680, 61001382, 81335176, 93848280, 101668970, 122002764, 152503455, 203337940, 244005528, 305006910, 406675880, 610013820, 1220027640]

約数ペア:

[(1, 1220027640), (2, 610013820), (3, 406675880), (4, 305006910), (5, 244005528), (6, 203337940), (8, 152503455), (10, 122002764), (12, 101668970), (13, 93848280), (15, 81335176), (20, 61001382), (23, 53044680), (24, 50834485), (26, 46924140), (30, 40667588), (37, 32973720), (39, 31282760), (40, 30500691), (46, 26522340), (52, 23462070), (60, 20333794), (65, 18769656), (69, 17681560), (74, 16486860), (78, 15641380), (92, 13261170), (104, 11731035), (111, 10991240), (115, 10608936), (120, 10166897), (130, 9384828), (138, 8840780), (148, 8243430), (156, 7820690), (184, 6630585), (185, 6594744), (195, 6256552), (222, 5495620), (230, 5304468), (260, 4692414), (276, 4420390), (296, 4121715), (299, 4080360), (312, 3910345), (345, 3536312), (370, 3297372), (390, 3128276), (444, 2747810), (460, 2652234), (481, 2536440), (520, 2346207), (552, 2210195), (555, 2198248), (598, 2040180), (690, 1768156), (740, 1648686), (780, 1564138), (851, 1433640), (888, 1373905), (897, 1360120), (919, 1327560), (920, 1326117), (962, 1268220), (1110, 1099124), (1196, 1020090), (1380, 884078), (1443, 845480), (1480, 824343), (1495, 816072), (1560, 782069), (1702, 716820), (1794, 680060), (1838, 663780), (1924, 634110), (2220, 549562), (2392, 510045), (2405, 507288), (2553, 477880), (2757, 442520), (2760, 442039), (2886, 422740), (2990, 408036), (3404, 358410), (3588, 340030), (3676, 331890), (3848, 317055), (4255, 286728), (4440, 274781), (4485, 272024), (4595, 265512), (4810, 253644), (5106, 238940), (5514, 221260), (5772, 211370), (5980, 204018), (6808, 179205), (7176, 170015), (7215, 169096), (7352, 165945), (8510, 143364), (8970, 136012), (9190, 132756), (9620, 126822), (10212, 119470), (11028, 110630), (11063, 110280), (11544, 105685), (11947, 102120), (11960, 102009), (12765, 95576), (13785, 88504), (14430, 84548), (17020, 71682), (17940, 68006), (18380, 66378), (19240, 63411), (20424, 59735), (21137, 57720), (22056, 55315), (22126, 55140), (23894, 51060), (25530, 47788), (27570, 44252), (28860, 42274), (33189, 36760), (34003, 35880), (34040, 35841)]