90428240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5209}}^1$

素因数の和:5260

約数の個数: 80

約数和(自身を含む): 248079360

約数和(自身を除く): 157651120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 5209, 8680, 10418, 17360, 20836, 26045, 36463, 41672, 52090, 72926, 83344, 104180, 145852, 161479, 182315, 208360, 291704, 322958, 364630, 416720, 583408, 645916, 729260, 807395, 1130353, 1291832, 1458520, 1614790, 2260706, 2583664, 2917040, 3229580, 4521412, 5651765, 6459160, 9042824, 11303530, 12918320, 18085648, 22607060, 45214120, 90428240]

約数ペア:

[(1, 90428240), (2, 45214120), (4, 22607060), (5, 18085648), (7, 12918320), (8, 11303530), (10, 9042824), (14, 6459160), (16, 5651765), (20, 4521412), (28, 3229580), (31, 2917040), (35, 2583664), (40, 2260706), (56, 1614790), (62, 1458520), (70, 1291832), (80, 1130353), (112, 807395), (124, 729260), (140, 645916), (155, 583408), (217, 416720), (248, 364630), (280, 322958), (310, 291704), (434, 208360), (496, 182315), (560, 161479), (620, 145852), (868, 104180), (1085, 83344), (1240, 72926), (1736, 52090), (2170, 41672), (2480, 36463), (3472, 26045), (4340, 20836), (5209, 17360), (8680, 10418)]