131661180

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 192

約数和(自身を含む): 476636160

約数和(自身を除く): 344974980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 366, 378, 420, 427, 540, 549, 571, 610, 630, 732, 756, 854, 915, 945, 1098, 1142, 1220, 1260, 1281, 1647, 1708, 1713, 1830, 1890, 2135, 2196, 2284, 2562, 2745, 2855, 3294, 3426, 3660, 3780, 3843, 3997, 4270, 5124, 5139, 5490, 5710, 6405, 6588, 6852, 7686, 7994, 8235, 8540, 8565, 10278, 10980, 11420, 11529, 11991, 12810, 15372, 15417, 15988, 16470, 17130, 19215, 19985, 20556, 23058, 23982, 25620, 25695, 30834, 32940, 34260, 34831, 35973, 38430, 39970, 46116, 47964, 51390, 57645, 59955, 61668, 69662, 71946, 76860, 77085, 79940, 102780, 104493, 107919, 115290, 119910, 139324, 143892, 154170, 174155, 179865, 208986, 215838, 230580, 239820, 243817, 308340, 313479, 348310, 359730, 417972, 431676, 487634, 522465, 539595, 626958, 696620, 719460, 731451, 940437, 975268, 1044930, 1079190, 1219085, 1253916, 1462902, 1567395, 1880874, 2089860, 2158380, 2194353, 2438170, 2925804, 3134790, 3657255, 3761748, 4388706, 4702185, 4876340, 6269580, 6583059, 7314510, 8777412, 9404370, 10971765, 13166118, 14629020, 18808740, 21943530, 26332236, 32915295, 43887060, 65830590, 131661180]

約数ペア:

[(1, 131661180), (2, 65830590), (3, 43887060), (4, 32915295), (5, 26332236), (6, 21943530), (7, 18808740), (9, 14629020), (10, 13166118), (12, 10971765), (14, 9404370), (15, 8777412), (18, 7314510), (20, 6583059), (21, 6269580), (27, 4876340), (28, 4702185), (30, 4388706), (35, 3761748), (36, 3657255), (42, 3134790), (45, 2925804), (54, 2438170), (60, 2194353), (61, 2158380), (63, 2089860), (70, 1880874), (84, 1567395), (90, 1462902), (105, 1253916), (108, 1219085), (122, 1079190), (126, 1044930), (135, 975268), (140, 940437), (180, 731451), (183, 719460), (189, 696620), (210, 626958), (244, 539595), (252, 522465), (270, 487634), (305, 431676), (315, 417972), (366, 359730), (378, 348310), (420, 313479), (427, 308340), (540, 243817), (549, 239820), (571, 230580), (610, 215838), (630, 208986), (732, 179865), (756, 174155), (854, 154170), (915, 143892), (945, 139324), (1098, 119910), (1142, 115290), (1220, 107919), (1260, 104493), (1281, 102780), (1647, 79940), (1708, 77085), (1713, 76860), (1830, 71946), (1890, 69662), (2135, 61668), (2196, 59955), (2284, 57645), (2562, 51390), (2745, 47964), (2855, 46116), (3294, 39970), (3426, 38430), (3660, 35973), (3780, 34831), (3843, 34260), (3997, 32940), (4270, 30834), (5124, 25695), (5139, 25620), (5490, 23982), (5710, 23058), (6405, 20556), (6588, 19985), (6852, 19215), (7686, 17130), (7994, 16470), (8235, 15988), (8540, 15417), (8565, 15372), (10278, 12810), (10980, 11991), (11420, 11529)]