68287960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3203}}^1$

素因数の和:3268

約数の個数: 64

約数和(自身を含む): 169555680

約数和(自身を除く): 101267720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 3203, 4264, 5330, 6406, 10660, 12812, 16015, 21320, 25624, 32030, 41639, 64060, 83278, 128120, 131323, 166556, 208195, 262646, 333112, 416390, 525292, 656615, 832780, 1050584, 1313230, 1665560, 1707199, 2626460, 3414398, 5252920, 6828796, 8535995, 13657592, 17071990, 34143980, 68287960]

約数ペア:

[(1, 68287960), (2, 34143980), (4, 17071990), (5, 13657592), (8, 8535995), (10, 6828796), (13, 5252920), (20, 3414398), (26, 2626460), (40, 1707199), (41, 1665560), (52, 1313230), (65, 1050584), (82, 832780), (104, 656615), (130, 525292), (164, 416390), (205, 333112), (260, 262646), (328, 208195), (410, 166556), (520, 131323), (533, 128120), (820, 83278), (1066, 64060), (1640, 41639), (2132, 32030), (2665, 25624), (3203, 21320), (4264, 16015), (5330, 12812), (6406, 10660)]