1626857680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{3023}}^1$

素因数の和:3105

約数の個数: 120

約数和(自身を含む): 4468214016

約数和(自身を除く): 2841356336

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, 961, 1085, 1240, 1736, 1922, 2170, 2480, 3023, 3472, 3844, 4340, 4805, 6046, 6727, 7688, 8680, 9610, 12092, 13454, 15115, 15376, 17360, 19220, 21161, 24184, 26908, 30230, 33635, 38440, 42322, 48368, 53816, 60460, 67270, 76880, 84644, 93713, 105805, 107632, 120920, 134540, 169288, 187426, 211610, 241840, 269080, 338576, 374852, 423220, 468565, 538160, 655991, 749704, 846440, 937130, 1311982, 1499408, 1692880, 1874260, 2623964, 2905103, 3279955, 3748520, 5247928, 5810206, 6559910, 7497040, 10495856, 11620412, 13119820, 14525515, 20335721, 23240824, 26239640, 29051030, 40671442, 46481648, 52479280, 58102060, 81342884, 101678605, 116204120, 162685768, 203357210, 232408240, 325371536, 406714420, 813428840, 1626857680]

約数ペア:

[(1, 1626857680), (2, 813428840), (4, 406714420), (5, 325371536), (7, 232408240), (8, 203357210), (10, 162685768), (14, 116204120), (16, 101678605), (20, 81342884), (28, 58102060), (31, 52479280), (35, 46481648), (40, 40671442), (56, 29051030), (62, 26239640), (70, 23240824), (80, 20335721), (112, 14525515), (124, 13119820), (140, 11620412), (155, 10495856), (217, 7497040), (248, 6559910), (280, 5810206), (310, 5247928), (434, 3748520), (496, 3279955), (560, 2905103), (620, 2623964), (868, 1874260), (961, 1692880), (1085, 1499408), (1240, 1311982), (1736, 937130), (1922, 846440), (2170, 749704), (2480, 655991), (3023, 538160), (3472, 468565), (3844, 423220), (4340, 374852), (4805, 338576), (6046, 269080), (6727, 241840), (7688, 211610), (8680, 187426), (9610, 169288), (12092, 134540), (13454, 120920), (15115, 107632), (15376, 105805), (17360, 93713), (19220, 84644), (21161, 76880), (24184, 67270), (26908, 60460), (30230, 53816), (33635, 48368), (38440, 42322)]