290876720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2310

約数の個数: 80

約数和(自身を含む): 711597312

約数和(自身を除く): 420720592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2213, 2480, 3286, 4240, 4426, 6572, 8215, 8852, 11065, 13144, 16430, 17704, 22130, 26288, 32860, 35408, 44260, 65720, 68603, 88520, 117289, 131440, 137206, 177040, 234578, 274412, 343015, 469156, 548824, 586445, 686030, 938312, 1097648, 1172890, 1372060, 1876624, 2345780, 2744120, 3635959, 4691560, 5488240, 7271918, 9383120, 14543836, 18179795, 29087672, 36359590, 58175344, 72719180, 145438360, 290876720]

約数ペア:

[(1, 290876720), (2, 145438360), (4, 72719180), (5, 58175344), (8, 36359590), (10, 29087672), (16, 18179795), (20, 14543836), (31, 9383120), (40, 7271918), (53, 5488240), (62, 4691560), (80, 3635959), (106, 2744120), (124, 2345780), (155, 1876624), (212, 1372060), (248, 1172890), (265, 1097648), (310, 938312), (424, 686030), (496, 586445), (530, 548824), (620, 469156), (848, 343015), (1060, 274412), (1240, 234578), (1643, 177040), (2120, 137206), (2213, 131440), (2480, 117289), (3286, 88520), (4240, 68603), (4426, 65720), (6572, 44260), (8215, 35408), (8852, 32860), (11065, 26288), (13144, 22130), (16430, 17704)]