77983740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4049}}^1$

素因数の和:4171

約数の個数: 72

約数和(自身を含む): 238820400

約数和(自身を除く): 160836660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4049, 4815, 6420, 8098, 9630, 12147, 16196, 19260, 20245, 24294, 36441, 40490, 48588, 60735, 72882, 80980, 121470, 145764, 182205, 242940, 364410, 433243, 728820, 866486, 1299729, 1732972, 2166215, 2599458, 3899187, 4332430, 5198916, 6498645, 7798374, 8664860, 12997290, 15596748, 19495935, 25994580, 38991870, 77983740]

約数ペア:

[(1, 77983740), (2, 38991870), (3, 25994580), (4, 19495935), (5, 15596748), (6, 12997290), (9, 8664860), (10, 7798374), (12, 6498645), (15, 5198916), (18, 4332430), (20, 3899187), (30, 2599458), (36, 2166215), (45, 1732972), (60, 1299729), (90, 866486), (107, 728820), (180, 433243), (214, 364410), (321, 242940), (428, 182205), (535, 145764), (642, 121470), (963, 80980), (1070, 72882), (1284, 60735), (1605, 48588), (1926, 40490), (2140, 36441), (3210, 24294), (3852, 20245), (4049, 19260), (4815, 16196), (6420, 12147), (8098, 9630)]