83421780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 266857920

約数和(自身を除く): 183436140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 433, 494, 507, 570, 676, 741, 780, 845, 866, 988, 1014, 1140, 1235, 1299, 1482, 1690, 1732, 2028, 2165, 2470, 2535, 2598, 2964, 3211, 3380, 3705, 4330, 4940, 5070, 5196, 5629, 6422, 6495, 7410, 8227, 8660, 9633, 10140, 11258, 12844, 12990, 14820, 16055, 16454, 16887, 19266, 22516, 24681, 25980, 28145, 32110, 32908, 33774, 38532, 41135, 48165, 49362, 56290, 64220, 67548, 73177, 82270, 84435, 96330, 98724, 106951, 112580, 123405, 146354, 164540, 168870, 192660, 213902, 219531, 246810, 292708, 320853, 337740, 365885, 427804, 439062, 493620, 534755, 641706, 731770, 878124, 1069510, 1097655, 1283412, 1390363, 1463540, 1604265, 2139020, 2195310, 2780726, 3208530, 4171089, 4390620, 5561452, 6417060, 6951815, 8342178, 13903630, 16684356, 20855445, 27807260, 41710890, 83421780]

約数ペア:

[(1, 83421780), (2, 41710890), (3, 27807260), (4, 20855445), (5, 16684356), (6, 13903630), (10, 8342178), (12, 6951815), (13, 6417060), (15, 5561452), (19, 4390620), (20, 4171089), (26, 3208530), (30, 2780726), (38, 2195310), (39, 2139020), (52, 1604265), (57, 1463540), (60, 1390363), (65, 1283412), (76, 1097655), (78, 1069510), (95, 878124), (114, 731770), (130, 641706), (156, 534755), (169, 493620), (190, 439062), (195, 427804), (228, 365885), (247, 337740), (260, 320853), (285, 292708), (338, 246810), (380, 219531), (390, 213902), (433, 192660), (494, 168870), (507, 164540), (570, 146354), (676, 123405), (741, 112580), (780, 106951), (845, 98724), (866, 96330), (988, 84435), (1014, 82270), (1140, 73177), (1235, 67548), (1299, 64220), (1482, 56290), (1690, 49362), (1732, 48165), (2028, 41135), (2165, 38532), (2470, 33774), (2535, 32908), (2598, 32110), (2964, 28145), (3211, 25980), (3380, 24681), (3705, 22516), (4330, 19266), (4940, 16887), (5070, 16454), (5196, 16055), (5629, 14820), (6422, 12990), (6495, 12844), (7410, 11258), (8227, 10140), (8660, 9633)]