64413040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 162846720

約数和(自身を除く): 98433680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1367, 1520, 2356, 2480, 2734, 2945, 4712, 5468, 5890, 6835, 9424, 10936, 11780, 13670, 21872, 23560, 25973, 27340, 42377, 47120, 51946, 54680, 84754, 103892, 109360, 129865, 169508, 207784, 211885, 259730, 339016, 415568, 423770, 519460, 678032, 805163, 847540, 1038920, 1610326, 1695080, 2077840, 3220652, 3390160, 4025815, 6441304, 8051630, 12882608, 16103260, 32206520, 64413040]

約数ペア:

[(1, 64413040), (2, 32206520), (4, 16103260), (5, 12882608), (8, 8051630), (10, 6441304), (16, 4025815), (19, 3390160), (20, 3220652), (31, 2077840), (38, 1695080), (40, 1610326), (62, 1038920), (76, 847540), (80, 805163), (95, 678032), (124, 519460), (152, 423770), (155, 415568), (190, 339016), (248, 259730), (304, 211885), (310, 207784), (380, 169508), (496, 129865), (589, 109360), (620, 103892), (760, 84754), (1178, 54680), (1240, 51946), (1367, 47120), (1520, 42377), (2356, 27340), (2480, 25973), (2734, 23560), (2945, 21872), (4712, 13670), (5468, 11780), (5890, 10936), (6835, 9424)]