77975820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:784

約数の個数: 144

約数和(自身を含む): 260507520

約数和(自身を除く): 182531700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 47, 52, 60, 65, 78, 90, 94, 117, 130, 141, 156, 180, 188, 195, 234, 235, 260, 282, 390, 423, 468, 470, 564, 585, 611, 705, 709, 780, 846, 940, 1170, 1222, 1410, 1418, 1692, 1833, 2115, 2127, 2340, 2444, 2820, 2836, 3055, 3545, 3666, 4230, 4254, 5499, 6110, 6381, 7090, 7332, 8460, 8508, 9165, 9217, 10635, 10998, 12220, 12762, 14180, 18330, 18434, 21270, 21996, 25524, 27495, 27651, 31905, 33323, 36660, 36868, 42540, 46085, 54990, 55302, 63810, 66646, 82953, 92170, 99969, 109980, 110604, 127620, 133292, 138255, 165906, 166615, 184340, 199938, 276510, 299907, 331812, 333230, 399876, 414765, 433199, 499845, 553020, 599814, 666460, 829530, 866398, 999690, 1199628, 1299597, 1499535, 1659060, 1732796, 1999380, 2165995, 2599194, 2999070, 3898791, 4331990, 5198388, 5998140, 6497985, 7797582, 8663980, 12995970, 15595164, 19493955, 25991940, 38987910, 77975820]

約数ペア:

[(1, 77975820), (2, 38987910), (3, 25991940), (4, 19493955), (5, 15595164), (6, 12995970), (9, 8663980), (10, 7797582), (12, 6497985), (13, 5998140), (15, 5198388), (18, 4331990), (20, 3898791), (26, 2999070), (30, 2599194), (36, 2165995), (39, 1999380), (45, 1732796), (47, 1659060), (52, 1499535), (60, 1299597), (65, 1199628), (78, 999690), (90, 866398), (94, 829530), (117, 666460), (130, 599814), (141, 553020), (156, 499845), (180, 433199), (188, 414765), (195, 399876), (234, 333230), (235, 331812), (260, 299907), (282, 276510), (390, 199938), (423, 184340), (468, 166615), (470, 165906), (564, 138255), (585, 133292), (611, 127620), (705, 110604), (709, 109980), (780, 99969), (846, 92170), (940, 82953), (1170, 66646), (1222, 63810), (1410, 55302), (1418, 54990), (1692, 46085), (1833, 42540), (2115, 36868), (2127, 36660), (2340, 33323), (2444, 31905), (2820, 27651), (2836, 27495), (3055, 25524), (3545, 21996), (3666, 21270), (4230, 18434), (4254, 18330), (5499, 14180), (6110, 12762), (6381, 12220), (7090, 10998), (7332, 10635), (8460, 9217), (8508, 9165)]