231695880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7863

約数の個数: 128

約数和(自身を含む): 788054400

約数和(自身を除く): 556358520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2964, 3705, 4940, 5928, 7410, 7817, 9880, 14820, 15634, 23451, 29640, 31268, 39085, 46902, 62536, 78170, 93804, 101621, 117255, 148523, 156340, 187608, 203242, 234510, 297046, 304863, 312680, 406484, 445569, 469020, 508105, 594092, 609726, 742615, 812968, 891138, 938040, 1016210, 1188184, 1219452, 1485230, 1524315, 1782276, 1930799, 2032420, 2227845, 2438904, 2970460, 3048630, 3564552, 3861598, 4064840, 4455690, 5792397, 5940920, 6097260, 7723196, 8911380, 9653995, 11584794, 12194520, 15446392, 17822760, 19307990, 23169588, 28961985, 38615980, 46339176, 57923970, 77231960, 115847940, 231695880]

約数ペア:

[(1, 231695880), (2, 115847940), (3, 77231960), (4, 57923970), (5, 46339176), (6, 38615980), (8, 28961985), (10, 23169588), (12, 19307990), (13, 17822760), (15, 15446392), (19, 12194520), (20, 11584794), (24, 9653995), (26, 8911380), (30, 7723196), (38, 6097260), (39, 5940920), (40, 5792397), (52, 4455690), (57, 4064840), (60, 3861598), (65, 3564552), (76, 3048630), (78, 2970460), (95, 2438904), (104, 2227845), (114, 2032420), (120, 1930799), (130, 1782276), (152, 1524315), (156, 1485230), (190, 1219452), (195, 1188184), (228, 1016210), (247, 938040), (260, 891138), (285, 812968), (312, 742615), (380, 609726), (390, 594092), (456, 508105), (494, 469020), (520, 445569), (570, 406484), (741, 312680), (760, 304863), (780, 297046), (988, 234510), (1140, 203242), (1235, 187608), (1482, 156340), (1560, 148523), (1976, 117255), (2280, 101621), (2470, 93804), (2964, 78170), (3705, 62536), (4940, 46902), (5928, 39085), (7410, 31268), (7817, 29640), (9880, 23451), (14820, 15634)]