1640041360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{9059}}^1$

素因数の和:9176

約数の個数: 80

約数和(自身を含む): 3990458880

約数和(自身を除く): 2350417520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 2263, 2480, 2920, 4526, 5840, 9052, 9059, 11315, 18104, 18118, 22630, 36208, 36236, 45260, 45295, 72472, 90520, 90590, 144944, 181040, 181180, 280829, 362360, 561658, 661307, 724720, 1123316, 1322614, 1404145, 2246632, 2645228, 2808290, 3306535, 4493264, 5290456, 5616580, 6613070, 10580912, 11233160, 13226140, 20500517, 22466320, 26452280, 41001034, 52904560, 82002068, 102502585, 164004136, 205005170, 328008272, 410010340, 820020680, 1640041360]

約数ペア:

[(1, 1640041360), (2, 820020680), (4, 410010340), (5, 328008272), (8, 205005170), (10, 164004136), (16, 102502585), (20, 82002068), (31, 52904560), (40, 41001034), (62, 26452280), (73, 22466320), (80, 20500517), (124, 13226140), (146, 11233160), (155, 10580912), (248, 6613070), (292, 5616580), (310, 5290456), (365, 4493264), (496, 3306535), (584, 2808290), (620, 2645228), (730, 2246632), (1168, 1404145), (1240, 1322614), (1460, 1123316), (2263, 724720), (2480, 661307), (2920, 561658), (4526, 362360), (5840, 280829), (9052, 181180), (9059, 181040), (11315, 144944), (18104, 90590), (18118, 90520), (22630, 72472), (36208, 45295), (36236, 45260)]