315687720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:535

約数の個数: 128

約数和(自身を含む): 975421440

約数和(自身を除く): 659733720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 223, 235, 251, 282, 376, 446, 470, 502, 564, 669, 705, 753, 892, 940, 1004, 1115, 1128, 1255, 1338, 1410, 1506, 1784, 1880, 2008, 2230, 2510, 2676, 2820, 3012, 3345, 3765, 4460, 5020, 5352, 5640, 6024, 6690, 7530, 8920, 10040, 10481, 11797, 13380, 15060, 20962, 23594, 26760, 30120, 31443, 35391, 41924, 47188, 52405, 55973, 58985, 62886, 70782, 83848, 94376, 104810, 111946, 117970, 125772, 141564, 157215, 167919, 176955, 209620, 223892, 235940, 251544, 279865, 283128, 314430, 335838, 353910, 419240, 447784, 471880, 559730, 628860, 671676, 707820, 839595, 1119460, 1257720, 1343352, 1415640, 1679190, 2238920, 2630731, 3358380, 5261462, 6716760, 7892193, 10522924, 13153655, 15784386, 21045848, 26307310, 31568772, 39460965, 52614620, 63137544, 78921930, 105229240, 157843860, 315687720]

約数ペア:

[(1, 315687720), (2, 157843860), (3, 105229240), (4, 78921930), (5, 63137544), (6, 52614620), (8, 39460965), (10, 31568772), (12, 26307310), (15, 21045848), (20, 15784386), (24, 13153655), (30, 10522924), (40, 7892193), (47, 6716760), (60, 5261462), (94, 3358380), (120, 2630731), (141, 2238920), (188, 1679190), (223, 1415640), (235, 1343352), (251, 1257720), (282, 1119460), (376, 839595), (446, 707820), (470, 671676), (502, 628860), (564, 559730), (669, 471880), (705, 447784), (753, 419240), (892, 353910), (940, 335838), (1004, 314430), (1115, 283128), (1128, 279865), (1255, 251544), (1338, 235940), (1410, 223892), (1506, 209620), (1784, 176955), (1880, 167919), (2008, 157215), (2230, 141564), (2510, 125772), (2676, 117970), (2820, 111946), (3012, 104810), (3345, 94376), (3765, 83848), (4460, 70782), (5020, 62886), (5352, 58985), (5640, 55973), (6024, 52405), (6690, 47188), (7530, 41924), (8920, 35391), (10040, 31443), (10481, 30120), (11797, 26760), (13380, 23594), (15060, 20962)]