1581569220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31121}}^1$

素因数の和:31162

約数の個数: 144

約数和(自身を含む): 5563119744

約数和(自身を除く): 3981550524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 5082, 7260, 8470, 10164, 12705, 16940, 25410, 31121, 50820, 62242, 93363, 124484, 155605, 186726, 217847, 311210, 342331, 373452, 435694, 466815, 622420, 653541, 684662, 871388, 933630, 1026993, 1089235, 1307082, 1369324, 1711655, 1867260, 2053986, 2178470, 2396317, 2614164, 3267705, 3423310, 3765641, 4107972, 4356940, 4792634, 5134965, 6535410, 6846620, 7188951, 7531282, 9585268, 10269930, 11296923, 11981585, 13070820, 14377902, 15062564, 18828205, 20539860, 22593846, 23963170, 26359487, 28755804, 35944755, 37656410, 45187692, 47926340, 52718974, 56484615, 71889510, 75312820, 79078461, 105437948, 112969230, 131797435, 143779020, 158156922, 225938460, 263594870, 316313844, 395392305, 527189740, 790784610, 1581569220]

約数ペア:

[(1, 1581569220), (2, 790784610), (3, 527189740), (4, 395392305), (5, 316313844), (6, 263594870), (7, 225938460), (10, 158156922), (11, 143779020), (12, 131797435), (14, 112969230), (15, 105437948), (20, 79078461), (21, 75312820), (22, 71889510), (28, 56484615), (30, 52718974), (33, 47926340), (35, 45187692), (42, 37656410), (44, 35944755), (55, 28755804), (60, 26359487), (66, 23963170), (70, 22593846), (77, 20539860), (84, 18828205), (105, 15062564), (110, 14377902), (121, 13070820), (132, 11981585), (140, 11296923), (154, 10269930), (165, 9585268), (210, 7531282), (220, 7188951), (231, 6846620), (242, 6535410), (308, 5134965), (330, 4792634), (363, 4356940), (385, 4107972), (420, 3765641), (462, 3423310), (484, 3267705), (605, 2614164), (660, 2396317), (726, 2178470), (770, 2053986), (847, 1867260), (924, 1711655), (1155, 1369324), (1210, 1307082), (1452, 1089235), (1540, 1026993), (1694, 933630), (1815, 871388), (2310, 684662), (2420, 653541), (2541, 622420), (3388, 466815), (3630, 435694), (4235, 373452), (4620, 342331), (5082, 311210), (7260, 217847), (8470, 186726), (10164, 155605), (12705, 124484), (16940, 93363), (25410, 62242), (31121, 50820)]