281018720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1069}}^1$

素因数の和:1168

約数の個数: 96

約数和(自身を含む): 698906880

約数和(自身を除く): 417888160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 80, 106, 124, 155, 160, 212, 248, 265, 310, 424, 496, 530, 620, 848, 992, 1060, 1069, 1240, 1643, 1696, 2120, 2138, 2480, 3286, 4240, 4276, 4960, 5345, 6572, 8215, 8480, 8552, 10690, 13144, 16430, 17104, 21380, 26288, 32860, 33139, 34208, 42760, 52576, 56657, 65720, 66278, 85520, 113314, 131440, 132556, 165695, 171040, 226628, 262880, 265112, 283285, 331390, 453256, 530224, 566570, 662780, 906512, 1060448, 1133140, 1325560, 1756367, 1813024, 2266280, 2651120, 3512734, 4532560, 5302240, 7025468, 8781835, 9065120, 14050936, 17563670, 28101872, 35127340, 56203744, 70254680, 140509360, 281018720]

約数ペア:

[(1, 281018720), (2, 140509360), (4, 70254680), (5, 56203744), (8, 35127340), (10, 28101872), (16, 17563670), (20, 14050936), (31, 9065120), (32, 8781835), (40, 7025468), (53, 5302240), (62, 4532560), (80, 3512734), (106, 2651120), (124, 2266280), (155, 1813024), (160, 1756367), (212, 1325560), (248, 1133140), (265, 1060448), (310, 906512), (424, 662780), (496, 566570), (530, 530224), (620, 453256), (848, 331390), (992, 283285), (1060, 265112), (1069, 262880), (1240, 226628), (1643, 171040), (1696, 165695), (2120, 132556), (2138, 131440), (2480, 113314), (3286, 85520), (4240, 66278), (4276, 65720), (4960, 56657), (5345, 52576), (6572, 42760), (8215, 34208), (8480, 33139), (8552, 32860), (10690, 26288), (13144, 21380), (16430, 17104)]