31271760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 180

約数和(自身を含む): 114163452

約数和(自身を除く): 82891692

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 169, 180, 195, 208, 234, 240, 257, 260, 312, 338, 360, 390, 468, 507, 514, 520, 585, 624, 676, 720, 771, 780, 845, 936, 1014, 1028, 1040, 1170, 1285, 1352, 1521, 1542, 1560, 1690, 1872, 2028, 2056, 2313, 2340, 2535, 2570, 2704, 3042, 3084, 3120, 3341, 3380, 3855, 4056, 4112, 4626, 4680, 5070, 5140, 6084, 6168, 6682, 6760, 7605, 7710, 8112, 9252, 9360, 10023, 10140, 10280, 11565, 12168, 12336, 13364, 13520, 15210, 15420, 16705, 18504, 20046, 20280, 20560, 23130, 24336, 26728, 30069, 30420, 30840, 33410, 37008, 40092, 40560, 43433, 46260, 50115, 53456, 60138, 60840, 61680, 66820, 80184, 86866, 92520, 100230, 120276, 121680, 130299, 133640, 150345, 160368, 173732, 185040, 200460, 217165, 240552, 260598, 267280, 300690, 347464, 390897, 400920, 434330, 481104, 521196, 601380, 651495, 694928, 781794, 801840, 868660, 1042392, 1202760, 1302990, 1563588, 1737320, 1954485, 2084784, 2405520, 2605980, 3127176, 3474640, 3908970, 5211960, 6254352, 7817940, 10423920, 15635880, 31271760]

約数ペア:

[(1, 31271760), (2, 15635880), (3, 10423920), (4, 7817940), (5, 6254352), (6, 5211960), (8, 3908970), (9, 3474640), (10, 3127176), (12, 2605980), (13, 2405520), (15, 2084784), (16, 1954485), (18, 1737320), (20, 1563588), (24, 1302990), (26, 1202760), (30, 1042392), (36, 868660), (39, 801840), (40, 781794), (45, 694928), (48, 651495), (52, 601380), (60, 521196), (65, 481104), (72, 434330), (78, 400920), (80, 390897), (90, 347464), (104, 300690), (117, 267280), (120, 260598), (130, 240552), (144, 217165), (156, 200460), (169, 185040), (180, 173732), (195, 160368), (208, 150345), (234, 133640), (240, 130299), (257, 121680), (260, 120276), (312, 100230), (338, 92520), (360, 86866), (390, 80184), (468, 66820), (507, 61680), (514, 60840), (520, 60138), (585, 53456), (624, 50115), (676, 46260), (720, 43433), (771, 40560), (780, 40092), (845, 37008), (936, 33410), (1014, 30840), (1028, 30420), (1040, 30069), (1170, 26728), (1285, 24336), (1352, 23130), (1521, 20560), (1542, 20280), (1560, 20046), (1690, 18504), (1872, 16705), (2028, 15420), (2056, 15210), (2313, 13520), (2340, 13364), (2535, 12336), (2570, 12168), (2704, 11565), (3042, 10280), (3084, 10140), (3120, 10023), (3341, 9360), (3380, 9252), (3855, 8112), (4056, 7710), (4112, 7605), (4626, 6760), (4680, 6682), (5070, 6168), (5140, 6084)]