248563890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:590

約数の個数: 160

約数和(自身を含む): 727626240

約数和(自身を除く): 479062350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 31, 38, 45, 54, 57, 62, 81, 90, 93, 95, 114, 135, 155, 162, 171, 186, 190, 270, 279, 285, 310, 342, 405, 465, 513, 521, 558, 570, 589, 810, 837, 855, 930, 1026, 1042, 1178, 1395, 1539, 1563, 1674, 1710, 1767, 2511, 2565, 2605, 2790, 2945, 3078, 3126, 3534, 4185, 4689, 5022, 5130, 5210, 5301, 5890, 7695, 7815, 8370, 8835, 9378, 9899, 10602, 12555, 14067, 15390, 15630, 15903, 16151, 17670, 19798, 23445, 25110, 26505, 28134, 29697, 31806, 32302, 42201, 46890, 47709, 48453, 49495, 53010, 59394, 70335, 79515, 80755, 84402, 89091, 95418, 96906, 98990, 140670, 145359, 148485, 159030, 161510, 178182, 211005, 238545, 242265, 267273, 290718, 296970, 306869, 422010, 436077, 445455, 477090, 484530, 534546, 613738, 726795, 801819, 872154, 890910, 920607, 1308231, 1336365, 1453590, 1534345, 1603638, 1841214, 2180385, 2616462, 2672730, 2761821, 3068690, 4009095, 4360770, 4603035, 5523642, 6541155, 8018190, 8285463, 9206070, 13082310, 13809105, 16570926, 24856389, 27618210, 41427315, 49712778, 82854630, 124281945, 248563890]

約数ペア:

[(1, 248563890), (2, 124281945), (3, 82854630), (5, 49712778), (6, 41427315), (9, 27618210), (10, 24856389), (15, 16570926), (18, 13809105), (19, 13082310), (27, 9206070), (30, 8285463), (31, 8018190), (38, 6541155), (45, 5523642), (54, 4603035), (57, 4360770), (62, 4009095), (81, 3068690), (90, 2761821), (93, 2672730), (95, 2616462), (114, 2180385), (135, 1841214), (155, 1603638), (162, 1534345), (171, 1453590), (186, 1336365), (190, 1308231), (270, 920607), (279, 890910), (285, 872154), (310, 801819), (342, 726795), (405, 613738), (465, 534546), (513, 484530), (521, 477090), (558, 445455), (570, 436077), (589, 422010), (810, 306869), (837, 296970), (855, 290718), (930, 267273), (1026, 242265), (1042, 238545), (1178, 211005), (1395, 178182), (1539, 161510), (1563, 159030), (1674, 148485), (1710, 145359), (1767, 140670), (2511, 98990), (2565, 96906), (2605, 95418), (2790, 89091), (2945, 84402), (3078, 80755), (3126, 79515), (3534, 70335), (4185, 59394), (4689, 53010), (5022, 49495), (5130, 48453), (5210, 47709), (5301, 46890), (5890, 42201), (7695, 32302), (7815, 31806), (8370, 29697), (8835, 28134), (9378, 26505), (9899, 25110), (10602, 23445), (12555, 19798), (14067, 17670), (15390, 16151), (15630, 15903)]