902720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 112

約数和(自身を含む): 2731008

約数和(自身を除く): 1828288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 520, 560, 620, 728, 806, 832, 868, 910, 992, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1984, 2015, 2080, 2170, 2240, 2480, 2821, 2912, 3224, 3472, 3640, 4030, 4160, 4340, 4960, 5642, 5824, 6448, 6944, 7280, 8060, 8680, 9920, 11284, 12896, 13888, 14105, 14560, 16120, 17360, 22568, 25792, 28210, 29120, 32240, 34720, 45136, 56420, 64480, 69440, 90272, 112840, 128960, 180544, 225680, 451360, 902720]

約数ペア:

[(1, 902720), (2, 451360), (4, 225680), (5, 180544), (7, 128960), (8, 112840), (10, 90272), (13, 69440), (14, 64480), (16, 56420), (20, 45136), (26, 34720), (28, 32240), (31, 29120), (32, 28210), (35, 25792), (40, 22568), (52, 17360), (56, 16120), (62, 14560), (64, 14105), (65, 13888), (70, 12896), (80, 11284), (91, 9920), (104, 8680), (112, 8060), (124, 7280), (130, 6944), (140, 6448), (155, 5824), (160, 5642), (182, 4960), (208, 4340), (217, 4160), (224, 4030), (248, 3640), (260, 3472), (280, 3224), (310, 2912), (320, 2821), (364, 2480), (403, 2240), (416, 2170), (434, 2080), (448, 2015), (455, 1984), (496, 1820), (520, 1736), (560, 1612), (620, 1456), (728, 1240), (806, 1120), (832, 1085), (868, 1040), (910, 992)]