30703240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 73872000

約数和(自身を除く): 43168760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 569, 710, 760, 1138, 1349, 1420, 2276, 2698, 2840, 2845, 4552, 5396, 5690, 6745, 10792, 10811, 11380, 13490, 21622, 22760, 26980, 40399, 43244, 53960, 54055, 80798, 86488, 108110, 161596, 201995, 216220, 323192, 403990, 432440, 767581, 807980, 1535162, 1615960, 3070324, 3837905, 6140648, 7675810, 15351620, 30703240]

約数ペア:

[(1, 30703240), (2, 15351620), (4, 7675810), (5, 6140648), (8, 3837905), (10, 3070324), (19, 1615960), (20, 1535162), (38, 807980), (40, 767581), (71, 432440), (76, 403990), (95, 323192), (142, 216220), (152, 201995), (190, 161596), (284, 108110), (355, 86488), (380, 80798), (568, 54055), (569, 53960), (710, 43244), (760, 40399), (1138, 26980), (1349, 22760), (1420, 21622), (2276, 13490), (2698, 11380), (2840, 10811), (2845, 10792), (4552, 6745), (5396, 5690)]