31469880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20173}}^1$

素因数の和:20200

約数の個数: 64

約数和(自身を含む): 101676960

約数和(自身を除く): 70207080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20173, 40346, 60519, 80692, 100865, 121038, 161384, 201730, 242076, 262249, 302595, 403460, 484152, 524498, 605190, 786747, 806920, 1048996, 1210380, 1311245, 1573494, 2097992, 2420760, 2622490, 3146988, 3933735, 5244980, 6293976, 7867470, 10489960, 15734940, 31469880]

約数ペア:

[(1, 31469880), (2, 15734940), (3, 10489960), (4, 7867470), (5, 6293976), (6, 5244980), (8, 3933735), (10, 3146988), (12, 2622490), (13, 2420760), (15, 2097992), (20, 1573494), (24, 1311245), (26, 1210380), (30, 1048996), (39, 806920), (40, 786747), (52, 605190), (60, 524498), (65, 484152), (78, 403460), (104, 302595), (120, 262249), (130, 242076), (156, 201730), (195, 161384), (260, 121038), (312, 100865), (390, 80692), (520, 60519), (780, 40346), (1560, 20173)]