90949040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:108

約数の個数: 180

約数和(自身を含む): 270397872

約数和(自身を除く): 179448832

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 169, 182, 208, 217, 248, 260, 280, 310, 338, 364, 403, 434, 455, 496, 520, 560, 620, 676, 728, 806, 845, 868, 910, 961, 1040, 1085, 1183, 1240, 1352, 1456, 1612, 1690, 1736, 1820, 1922, 2015, 2170, 2366, 2480, 2704, 2821, 3224, 3380, 3472, 3640, 3844, 4030, 4340, 4732, 4805, 5239, 5642, 5915, 6448, 6727, 6760, 7280, 7688, 8060, 8680, 9464, 9610, 10478, 11284, 11830, 12493, 13454, 13520, 14105, 15376, 16120, 17360, 18928, 19220, 20956, 22568, 23660, 24986, 26195, 26908, 28210, 32240, 33635, 36673, 38440, 41912, 45136, 47320, 49972, 52390, 53816, 56420, 62465, 67270, 73346, 76880, 83824, 87451, 94640, 99944, 104780, 107632, 112840, 124930, 134540, 146692, 162409, 174902, 183365, 199888, 209560, 225680, 249860, 269080, 293384, 324818, 349804, 366730, 419120, 437255, 499720, 538160, 586768, 649636, 699608, 733460, 812045, 874510, 999440, 1136863, 1299272, 1399216, 1466920, 1624090, 1749020, 2273726, 2598544, 2933840, 3248180, 3498040, 4547452, 5684315, 6496360, 6996080, 9094904, 11368630, 12992720, 18189808, 22737260, 45474520, 90949040]

約数ペア:

[(1, 90949040), (2, 45474520), (4, 22737260), (5, 18189808), (7, 12992720), (8, 11368630), (10, 9094904), (13, 6996080), (14, 6496360), (16, 5684315), (20, 4547452), (26, 3498040), (28, 3248180), (31, 2933840), (35, 2598544), (40, 2273726), (52, 1749020), (56, 1624090), (62, 1466920), (65, 1399216), (70, 1299272), (80, 1136863), (91, 999440), (104, 874510), (112, 812045), (124, 733460), (130, 699608), (140, 649636), (155, 586768), (169, 538160), (182, 499720), (208, 437255), (217, 419120), (248, 366730), (260, 349804), (280, 324818), (310, 293384), (338, 269080), (364, 249860), (403, 225680), (434, 209560), (455, 199888), (496, 183365), (520, 174902), (560, 162409), (620, 146692), (676, 134540), (728, 124930), (806, 112840), (845, 107632), (868, 104780), (910, 99944), (961, 94640), (1040, 87451), (1085, 83824), (1183, 76880), (1240, 73346), (1352, 67270), (1456, 62465), (1612, 56420), (1690, 53816), (1736, 52390), (1820, 49972), (1922, 47320), (2015, 45136), (2170, 41912), (2366, 38440), (2480, 36673), (2704, 33635), (2821, 32240), (3224, 28210), (3380, 26908), (3472, 26195), (3640, 24986), (3844, 23660), (4030, 22568), (4340, 20956), (4732, 19220), (4805, 18928), (5239, 17360), (5642, 16120), (5915, 15376), (6448, 14105), (6727, 13520), (6760, 13454), (7280, 12493), (7688, 11830), (8060, 11284), (8680, 10478), (9464, 9610)]