1638882120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{3067}}^1$

素因数の和:3215

約数の個数: 128

約数和(自身を含む): 5067354240

約数和(自身を除く): 3428472120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 73, 120, 122, 146, 183, 219, 244, 292, 305, 365, 366, 438, 488, 584, 610, 730, 732, 876, 915, 1095, 1220, 1460, 1464, 1752, 1830, 2190, 2440, 2920, 3067, 3660, 4380, 4453, 6134, 7320, 8760, 8906, 9201, 12268, 13359, 15335, 17812, 18402, 22265, 24536, 26718, 30670, 35624, 36804, 44530, 46005, 53436, 61340, 66795, 73608, 89060, 92010, 106872, 122680, 133590, 178120, 184020, 187087, 223891, 267180, 368040, 374174, 447782, 534360, 561261, 671673, 748348, 895564, 935435, 1119455, 1122522, 1343346, 1496696, 1791128, 1870870, 2238910, 2245044, 2686692, 2806305, 3358365, 3741740, 4477820, 4490088, 5373384, 5612610, 6716730, 7483480, 8955640, 11225220, 13433460, 13657351, 22450440, 26866920, 27314702, 40972053, 54629404, 68286755, 81944106, 109258808, 136573510, 163888212, 204860265, 273147020, 327776424, 409720530, 546294040, 819441060, 1638882120]

約数ペア:

[(1, 1638882120), (2, 819441060), (3, 546294040), (4, 409720530), (5, 327776424), (6, 273147020), (8, 204860265), (10, 163888212), (12, 136573510), (15, 109258808), (20, 81944106), (24, 68286755), (30, 54629404), (40, 40972053), (60, 27314702), (61, 26866920), (73, 22450440), (120, 13657351), (122, 13433460), (146, 11225220), (183, 8955640), (219, 7483480), (244, 6716730), (292, 5612610), (305, 5373384), (365, 4490088), (366, 4477820), (438, 3741740), (488, 3358365), (584, 2806305), (610, 2686692), (730, 2245044), (732, 2238910), (876, 1870870), (915, 1791128), (1095, 1496696), (1220, 1343346), (1460, 1122522), (1464, 1119455), (1752, 935435), (1830, 895564), (2190, 748348), (2440, 671673), (2920, 561261), (3067, 534360), (3660, 447782), (4380, 374174), (4453, 368040), (6134, 267180), (7320, 223891), (8760, 187087), (8906, 184020), (9201, 178120), (12268, 133590), (13359, 122680), (15335, 106872), (17812, 92010), (18402, 89060), (22265, 73608), (24536, 66795), (26718, 61340), (30670, 53436), (35624, 46005), (36804, 44530)]