1635978520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{60953}}^1$

素因数の和:61036

約数の個数: 64

約数和(自身を含む): 4081479840

約数和(自身を除く): 2445501320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 2440, 2684, 3355, 5368, 6710, 13420, 26840, 60953, 121906, 243812, 304765, 487624, 609530, 670483, 1219060, 1340966, 2438120, 2681932, 3352415, 3718133, 5363864, 6704830, 7436266, 13409660, 14872532, 18590665, 26819320, 29745064, 37181330, 40899463, 74362660, 81798926, 148725320, 163597852, 204497315, 327195704, 408994630, 817989260, 1635978520]

約数ペア:

[(1, 1635978520), (2, 817989260), (4, 408994630), (5, 327195704), (8, 204497315), (10, 163597852), (11, 148725320), (20, 81798926), (22, 74362660), (40, 40899463), (44, 37181330), (55, 29745064), (61, 26819320), (88, 18590665), (110, 14872532), (122, 13409660), (220, 7436266), (244, 6704830), (305, 5363864), (440, 3718133), (488, 3352415), (610, 2681932), (671, 2438120), (1220, 1340966), (1342, 1219060), (2440, 670483), (2684, 609530), (3355, 487624), (5368, 304765), (6710, 243812), (13420, 121906), (26840, 60953)]