72918702970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:788

約数の個数: 128

約数和(自身を含む): 142844663808

約数和(自身を除く): 69925960838

約数列:

[1, 2, 5, 10, 23, 43, 46, 83, 86, 115, 166, 211, 215, 230, 415, 421, 422, 430, 830, 842, 989, 1055, 1909, 1978, 2105, 2110, 3569, 3818, 4210, 4853, 4945, 7138, 9073, 9545, 9683, 9706, 9890, 17513, 17845, 18103, 18146, 19090, 19366, 24265, 34943, 35026, 35690, 36206, 45365, 48415, 48530, 69886, 82087, 87565, 88831, 90515, 90730, 96830, 164174, 174715, 175130, 177662, 181030, 208679, 349430, 402799, 410435, 416369, 417358, 444155, 753059, 803689, 805598, 820870, 832738, 888310, 1043395, 1502549, 1506118, 1607378, 2013995, 2043113, 2081845, 2086790, 3005098, 3765295, 3819733, 4018445, 4027990, 4086226, 4163690, 7372973, 7512745, 7530590, 7639466, 8036890, 10215565, 14745946, 15025490, 17320357, 19098665, 20431130, 34558627, 34640714, 36864865, 38197330, 69117254, 73729730, 86601785, 87853859, 169578379, 172793135, 173203570, 175707718, 317037839, 339156758, 345586270, 439269295, 634075678, 847891895, 878538590, 1585189195, 1695783790, 3170378390, 7291870297, 14583740594, 36459351485, 72918702970]

約数ペア:

[(1, 72918702970), (2, 36459351485), (5, 14583740594), (10, 7291870297), (23, 3170378390), (43, 1695783790), (46, 1585189195), (83, 878538590), (86, 847891895), (115, 634075678), (166, 439269295), (211, 345586270), (215, 339156758), (230, 317037839), (415, 175707718), (421, 173203570), (422, 172793135), (430, 169578379), (830, 87853859), (842, 86601785), (989, 73729730), (1055, 69117254), (1909, 38197330), (1978, 36864865), (2105, 34640714), (2110, 34558627), (3569, 20431130), (3818, 19098665), (4210, 17320357), (4853, 15025490), (4945, 14745946), (7138, 10215565), (9073, 8036890), (9545, 7639466), (9683, 7530590), (9706, 7512745), (9890, 7372973), (17513, 4163690), (17845, 4086226), (18103, 4027990), (18146, 4018445), (19090, 3819733), (19366, 3765295), (24265, 3005098), (34943, 2086790), (35026, 2081845), (35690, 2043113), (36206, 2013995), (45365, 1607378), (48415, 1506118), (48530, 1502549), (69886, 1043395), (82087, 888310), (87565, 832738), (88831, 820870), (90515, 805598), (90730, 803689), (96830, 753059), (164174, 444155), (174715, 417358), (175130, 416369), (177662, 410435), (181030, 402799), (208679, 349430)]