2513280900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{644431}}^1$

素因数の和:644461

約数の個数: 72

約数和(自身を含む): 7831137664

約数和(自身を除く): 5317856764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 644431, 1288862, 1933293, 2577724, 3222155, 3866586, 6444310, 7733172, 8377603, 9666465, 12888620, 16110775, 16755206, 19332930, 25132809, 32221550, 33510412, 38665860, 41888015, 48332325, 50265618, 64443100, 83776030, 96664650, 100531236, 125664045, 167552060, 193329300, 209440075, 251328090, 418880150, 502656180, 628320225, 837760300, 1256640450, 2513280900]

約数ペア:

[(1, 2513280900), (2, 1256640450), (3, 837760300), (4, 628320225), (5, 502656180), (6, 418880150), (10, 251328090), (12, 209440075), (13, 193329300), (15, 167552060), (20, 125664045), (25, 100531236), (26, 96664650), (30, 83776030), (39, 64443100), (50, 50265618), (52, 48332325), (60, 41888015), (65, 38665860), (75, 33510412), (78, 32221550), (100, 25132809), (130, 19332930), (150, 16755206), (156, 16110775), (195, 12888620), (260, 9666465), (300, 8377603), (325, 7733172), (390, 6444310), (650, 3866586), (780, 3222155), (975, 2577724), (1300, 1933293), (1950, 1288862), (3900, 644431)]