661637340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1369

約数の個数: 288

約数和(自身を含む): 2551750656

約数和(自身を除く): 1890113316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 546, 558, 585, 620, 630, 651, 780, 806, 819, 868, 910, 930, 1085, 1092, 1116, 1170, 1209, 1260, 1302, 1303, 1365, 1395, 1612, 1638, 1820, 1860, 1953, 2015, 2170, 2340, 2418, 2604, 2606, 2730, 2790, 2821, 3255, 3276, 3627, 3906, 3909, 4030, 4095, 4340, 4836, 5212, 5460, 5580, 5642, 6045, 6510, 6515, 7254, 7812, 7818, 8060, 8190, 8463, 9121, 9765, 11284, 11727, 12090, 13020, 13030, 14105, 14508, 15636, 16380, 16926, 16939, 18135, 18242, 19530, 19545, 23454, 24180, 25389, 26060, 27363, 28210, 33852, 33878, 36270, 36484, 39060, 39090, 40393, 42315, 45605, 46908, 50778, 50817, 54726, 56420, 58635, 67756, 72540, 78180, 80786, 82089, 84630, 84695, 91210, 101556, 101634, 109452, 117270, 118573, 121179, 126945, 136815, 152451, 161572, 164178, 169260, 169390, 182420, 201965, 203268, 234540, 237146, 242358, 253890, 254085, 273630, 282751, 304902, 328356, 338780, 355719, 363537, 403930, 410445, 474292, 484716, 507780, 508170, 525109, 547260, 565502, 592865, 605895, 609804, 711438, 727074, 762255, 807860, 820890, 848253, 1016340, 1050218, 1067157, 1131004, 1185730, 1211790, 1413755, 1422876, 1454148, 1524510, 1575327, 1641780, 1696506, 1778595, 1817685, 2100436, 2134314, 2371460, 2423580, 2544759, 2625545, 2827510, 3049020, 3150654, 3393012, 3557190, 3635370, 3675763, 4241265, 4268628, 4725981, 5089518, 5251090, 5335785, 5655020, 6301308, 7114380, 7270740, 7351526, 7876635, 8482530, 9451962, 10179036, 10502180, 10671570, 11027289, 12723795, 14703052, 15753270, 16965060, 18378815, 18903924, 21343140, 22054578, 23629905, 25447590, 31506540, 33081867, 36757630, 44109156, 47259810, 50895180, 55136445, 66163734, 73515260, 94519620, 110272890, 132327468, 165409335, 220545780, 330818670, 661637340]

約数ペア:

[(1, 661637340), (2, 330818670), (3, 220545780), (4, 165409335), (5, 132327468), (6, 110272890), (7, 94519620), (9, 73515260), (10, 66163734), (12, 55136445), (13, 50895180), (14, 47259810), (15, 44109156), (18, 36757630), (20, 33081867), (21, 31506540), (26, 25447590), (28, 23629905), (30, 22054578), (31, 21343140), (35, 18903924), (36, 18378815), (39, 16965060), (42, 15753270), (45, 14703052), (52, 12723795), (60, 11027289), (62, 10671570), (63, 10502180), (65, 10179036), (70, 9451962), (78, 8482530), (84, 7876635), (90, 7351526), (91, 7270740), (93, 7114380), (105, 6301308), (117, 5655020), (124, 5335785), (126, 5251090), (130, 5089518), (140, 4725981), (155, 4268628), (156, 4241265), (180, 3675763), (182, 3635370), (186, 3557190), (195, 3393012), (210, 3150654), (217, 3049020), (234, 2827510), (252, 2625545), (260, 2544759), (273, 2423580), (279, 2371460), (310, 2134314), (315, 2100436), (364, 1817685), (372, 1778595), (390, 1696506), (403, 1641780), (420, 1575327), (434, 1524510), (455, 1454148), (465, 1422876), (468, 1413755), (546, 1211790), (558, 1185730), (585, 1131004), (620, 1067157), (630, 1050218), (651, 1016340), (780, 848253), (806, 820890), (819, 807860), (868, 762255), (910, 727074), (930, 711438), (1085, 609804), (1092, 605895), (1116, 592865), (1170, 565502), (1209, 547260), (1260, 525109), (1302, 508170), (1303, 507780), (1365, 484716), (1395, 474292), (1612, 410445), (1638, 403930), (1820, 363537), (1860, 355719), (1953, 338780), (2015, 328356), (2170, 304902), (2340, 282751), (2418, 273630), (2604, 254085), (2606, 253890), (2730, 242358), (2790, 237146), (2821, 234540), (3255, 203268), (3276, 201965), (3627, 182420), (3906, 169390), (3909, 169260), (4030, 164178), (4095, 161572), (4340, 152451), (4836, 136815), (5212, 126945), (5460, 121179), (5580, 118573), (5642, 117270), (6045, 109452), (6510, 101634), (6515, 101556), (7254, 91210), (7812, 84695), (7818, 84630), (8060, 82089), (8190, 80786), (8463, 78180), (9121, 72540), (9765, 67756), (11284, 58635), (11727, 56420), (12090, 54726), (13020, 50817), (13030, 50778), (14105, 46908), (14508, 45605), (15636, 42315), (16380, 40393), (16926, 39090), (16939, 39060), (18135, 36484), (18242, 36270), (19530, 33878), (19545, 33852), (23454, 28210), (24180, 27363), (25389, 26060)]