77172680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 201398400

約数和(自身を除く): 124225720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 73, 76, 95, 104, 107, 130, 146, 152, 190, 214, 247, 260, 292, 365, 380, 428, 494, 520, 535, 584, 730, 760, 856, 949, 988, 1070, 1235, 1387, 1391, 1460, 1898, 1976, 2033, 2140, 2470, 2774, 2782, 2920, 3796, 4066, 4280, 4745, 4940, 5548, 5564, 6935, 6955, 7592, 7811, 8132, 9490, 9880, 10165, 11096, 11128, 13870, 13910, 15622, 16264, 18031, 18980, 20330, 26429, 27740, 27820, 31244, 36062, 37960, 39055, 40660, 52858, 55480, 55640, 62488, 72124, 78110, 81320, 90155, 101543, 105716, 132145, 144248, 148409, 156220, 180310, 203086, 211432, 264290, 296818, 312440, 360620, 406172, 507715, 528580, 593636, 721240, 742045, 812344, 1015430, 1057160, 1187272, 1484090, 1929317, 2030860, 2968180, 3858634, 4061720, 5936360, 7717268, 9646585, 15434536, 19293170, 38586340, 77172680]

約数ペア:

[(1, 77172680), (2, 38586340), (4, 19293170), (5, 15434536), (8, 9646585), (10, 7717268), (13, 5936360), (19, 4061720), (20, 3858634), (26, 2968180), (38, 2030860), (40, 1929317), (52, 1484090), (65, 1187272), (73, 1057160), (76, 1015430), (95, 812344), (104, 742045), (107, 721240), (130, 593636), (146, 528580), (152, 507715), (190, 406172), (214, 360620), (247, 312440), (260, 296818), (292, 264290), (365, 211432), (380, 203086), (428, 180310), (494, 156220), (520, 148409), (535, 144248), (584, 132145), (730, 105716), (760, 101543), (856, 90155), (949, 81320), (988, 78110), (1070, 72124), (1235, 62488), (1387, 55640), (1391, 55480), (1460, 52858), (1898, 40660), (1976, 39055), (2033, 37960), (2140, 36062), (2470, 31244), (2774, 27820), (2782, 27740), (2920, 26429), (3796, 20330), (4066, 18980), (4280, 18031), (4745, 16264), (4940, 15622), (5548, 13910), (5564, 13870), (6935, 11128), (6955, 11096), (7592, 10165), (7811, 9880), (8132, 9490)]