77168780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:148

約数の個数: 108

約数和(自身を含む): 188768160

約数和(自身を除く): 111599380

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 79, 85, 130, 158, 169, 170, 221, 260, 289, 316, 338, 340, 395, 442, 578, 676, 790, 845, 884, 1027, 1105, 1156, 1343, 1445, 1580, 1690, 2054, 2210, 2686, 2873, 2890, 3380, 3757, 4108, 4420, 5135, 5372, 5746, 5780, 6715, 7514, 10270, 11492, 13351, 13430, 14365, 15028, 17459, 18785, 20540, 22831, 26702, 26860, 28730, 34918, 37570, 45662, 48841, 53404, 57460, 66755, 69836, 75140, 87295, 91324, 97682, 114155, 133510, 174590, 195364, 226967, 228310, 244205, 267020, 296803, 349180, 453934, 456620, 488410, 593606, 907868, 976820, 1134835, 1187212, 1484015, 2269670, 2968030, 3858439, 4539340, 5936060, 7716878, 15433756, 19292195, 38584390, 77168780]

約数ペア:

[(1, 77168780), (2, 38584390), (4, 19292195), (5, 15433756), (10, 7716878), (13, 5936060), (17, 4539340), (20, 3858439), (26, 2968030), (34, 2269670), (52, 1484015), (65, 1187212), (68, 1134835), (79, 976820), (85, 907868), (130, 593606), (158, 488410), (169, 456620), (170, 453934), (221, 349180), (260, 296803), (289, 267020), (316, 244205), (338, 228310), (340, 226967), (395, 195364), (442, 174590), (578, 133510), (676, 114155), (790, 97682), (845, 91324), (884, 87295), (1027, 75140), (1105, 69836), (1156, 66755), (1343, 57460), (1445, 53404), (1580, 48841), (1690, 45662), (2054, 37570), (2210, 34918), (2686, 28730), (2873, 26860), (2890, 26702), (3380, 22831), (3757, 20540), (4108, 18785), (4420, 17459), (5135, 15028), (5372, 14365), (5746, 13430), (5780, 13351), (6715, 11492), (7514, 10270)]