87758601220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{757}}^1$

素因数の和:1478

約数の個数: 144

約数和(自身を含む): 202666447872

約数和(自身を除く): 114907846652

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 289, 310, 340, 527, 578, 620, 647, 757, 1054, 1156, 1294, 1445, 1514, 2108, 2588, 2635, 2890, 3028, 3235, 3785, 5270, 5780, 6470, 7570, 8959, 10540, 10999, 12869, 12940, 15140, 17918, 20057, 21998, 23467, 25738, 35836, 40114, 43996, 44795, 46934, 51476, 54995, 64345, 80228, 89590, 93868, 100285, 109990, 117335, 128690, 179180, 186983, 200570, 218773, 219980, 234670, 257380, 340969, 373966, 398939, 401140, 437546, 469340, 489779, 681938, 747932, 797878, 875092, 934915, 979558, 1093865, 1363876, 1595756, 1704845, 1869830, 1959116, 1994695, 2187730, 2448895, 3409690, 3739660, 3989390, 4375460, 4897790, 5796473, 6781963, 6819380, 7978780, 8326243, 9795580, 11592946, 13563926, 15183149, 16652486, 23185892, 27127852, 28982365, 30366298, 33304972, 33909815, 41631215, 57964730, 60732596, 67819630, 75915745, 83262430, 115929460, 135639260, 141546131, 151831490, 166524860, 258113533, 283092262, 303662980, 516227066, 566184524, 707730655, 1032454132, 1290567665, 1415461310, 2581135330, 2830922620, 4387930061, 5162270660, 8775860122, 17551720244, 21939650305, 43879300610, 87758601220]

約数ペア:

[(1, 87758601220), (2, 43879300610), (4, 21939650305), (5, 17551720244), (10, 8775860122), (17, 5162270660), (20, 4387930061), (31, 2830922620), (34, 2581135330), (62, 1415461310), (68, 1290567665), (85, 1032454132), (124, 707730655), (155, 566184524), (170, 516227066), (289, 303662980), (310, 283092262), (340, 258113533), (527, 166524860), (578, 151831490), (620, 141546131), (647, 135639260), (757, 115929460), (1054, 83262430), (1156, 75915745), (1294, 67819630), (1445, 60732596), (1514, 57964730), (2108, 41631215), (2588, 33909815), (2635, 33304972), (2890, 30366298), (3028, 28982365), (3235, 27127852), (3785, 23185892), (5270, 16652486), (5780, 15183149), (6470, 13563926), (7570, 11592946), (8959, 9795580), (10540, 8326243), (10999, 7978780), (12869, 6819380), (12940, 6781963), (15140, 5796473), (17918, 4897790), (20057, 4375460), (21998, 3989390), (23467, 3739660), (25738, 3409690), (35836, 2448895), (40114, 2187730), (43996, 1994695), (44795, 1959116), (46934, 1869830), (51476, 1704845), (54995, 1595756), (64345, 1363876), (80228, 1093865), (89590, 979558), (93868, 934915), (100285, 875092), (109990, 797878), (117335, 747932), (128690, 681938), (179180, 489779), (186983, 469340), (200570, 437546), (218773, 401140), (219980, 398939), (234670, 373966), (257380, 340969)]