71680890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 177230592

約数和(自身を除く): 105549702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 73, 142, 146, 213, 219, 355, 365, 426, 438, 461, 710, 730, 922, 1065, 1095, 1383, 2130, 2190, 2305, 2766, 4610, 5183, 6915, 10366, 13830, 15549, 25915, 31098, 32731, 33653, 51830, 65462, 67306, 77745, 98193, 100959, 155490, 163655, 168265, 196386, 201918, 327310, 336530, 490965, 504795, 981930, 1009590, 2389363, 4778726, 7168089, 11946815, 14336178, 23893630, 35840445, 71680890]

約数ペア:

[(1, 71680890), (2, 35840445), (3, 23893630), (5, 14336178), (6, 11946815), (10, 7168089), (15, 4778726), (30, 2389363), (71, 1009590), (73, 981930), (142, 504795), (146, 490965), (213, 336530), (219, 327310), (355, 201918), (365, 196386), (426, 168265), (438, 163655), (461, 155490), (710, 100959), (730, 98193), (922, 77745), (1065, 67306), (1095, 65462), (1383, 51830), (2130, 33653), (2190, 32731), (2305, 31098), (2766, 25915), (4610, 15549), (5183, 13830), (6915, 10366)]