2499967575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{26021}}^1$

素因数の和:26105

約数の個数: 72

約数和(自身を含む): 5201485536

約数和(自身を除く): 2701517961

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 61, 63, 75, 105, 175, 183, 225, 305, 315, 427, 525, 549, 915, 1281, 1525, 1575, 2135, 2745, 3843, 4575, 6405, 10675, 13725, 19215, 26021, 32025, 78063, 96075, 130105, 182147, 234189, 390315, 546441, 650525, 910735, 1170945, 1587281, 1639323, 1951575, 2732205, 4553675, 4761843, 5854725, 7936405, 8196615, 11110967, 13661025, 14285529, 23809215, 33332901, 39682025, 40983075, 55554835, 71427645, 99998703, 119046075, 166664505, 277774175, 357138225, 499993515, 833322525, 2499967575]

約数ペア:

[(1, 2499967575), (3, 833322525), (5, 499993515), (7, 357138225), (9, 277774175), (15, 166664505), (21, 119046075), (25, 99998703), (35, 71427645), (45, 55554835), (61, 40983075), (63, 39682025), (75, 33332901), (105, 23809215), (175, 14285529), (183, 13661025), (225, 11110967), (305, 8196615), (315, 7936405), (427, 5854725), (525, 4761843), (549, 4553675), (915, 2732205), (1281, 1951575), (1525, 1639323), (1575, 1587281), (2135, 1170945), (2745, 910735), (3843, 650525), (4575, 546441), (6405, 390315), (10675, 234189), (13725, 182147), (19215, 130105), (26021, 96075), (32025, 78063)]