15565940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 38949120

約数和(自身を除く): 23383180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 137, 190, 230, 247, 260, 274, 299, 380, 437, 460, 494, 548, 598, 685, 874, 988, 1196, 1235, 1370, 1495, 1748, 1781, 2185, 2470, 2603, 2740, 2990, 3151, 3562, 4370, 4940, 5206, 5681, 5980, 6302, 7124, 8740, 8905, 10412, 11362, 12604, 13015, 15755, 17810, 22724, 26030, 28405, 31510, 33839, 35620, 40963, 52060, 56810, 59869, 63020, 67678, 81926, 113620, 119738, 135356, 163852, 169195, 204815, 239476, 299345, 338390, 409630, 598690, 676780, 778297, 819260, 1197380, 1556594, 3113188, 3891485, 7782970, 15565940]

約数ペア:

[(1, 15565940), (2, 7782970), (4, 3891485), (5, 3113188), (10, 1556594), (13, 1197380), (19, 819260), (20, 778297), (23, 676780), (26, 598690), (38, 409630), (46, 338390), (52, 299345), (65, 239476), (76, 204815), (92, 169195), (95, 163852), (115, 135356), (130, 119738), (137, 113620), (190, 81926), (230, 67678), (247, 63020), (260, 59869), (274, 56810), (299, 52060), (380, 40963), (437, 35620), (460, 33839), (494, 31510), (548, 28405), (598, 26030), (685, 22724), (874, 17810), (988, 15755), (1196, 13015), (1235, 12604), (1370, 11362), (1495, 10412), (1748, 8905), (1781, 8740), (2185, 7124), (2470, 6302), (2603, 5980), (2740, 5681), (2990, 5206), (3151, 4940), (3562, 4370)]