31018950

素因数分解:

$2^1\times 3^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 168

約数和(自身を含む): 92703888

約数和(自身を除く): 61684938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 37, 45, 46, 50, 54, 69, 74, 75, 81, 90, 111, 115, 135, 138, 150, 162, 185, 207, 222, 225, 230, 243, 270, 333, 345, 370, 405, 414, 450, 486, 555, 575, 621, 666, 675, 690, 729, 810, 851, 925, 999, 1035, 1110, 1150, 1215, 1242, 1350, 1458, 1665, 1702, 1725, 1850, 1863, 1998, 2025, 2070, 2430, 2553, 2775, 2997, 3105, 3330, 3450, 3645, 3726, 4050, 4255, 4995, 5106, 5175, 5550, 5589, 5994, 6075, 6210, 7290, 7659, 8325, 8510, 8991, 9315, 9990, 10350, 11178, 12150, 12765, 14985, 15318, 15525, 16650, 16767, 17982, 18225, 18630, 21275, 22977, 24975, 25530, 26973, 27945, 29970, 31050, 33534, 36450, 38295, 42550, 44955, 45954, 46575, 49950, 53946, 55890, 63825, 68931, 74925, 76590, 83835, 89910, 93150, 114885, 127650, 134865, 137862, 139725, 149850, 167670, 191475, 206793, 224775, 229770, 269730, 279450, 344655, 382950, 413586, 419175, 449550, 574425, 620379, 674325, 689310, 838350, 1033965, 1148850, 1240758, 1348650, 1723275, 2067930, 3101895, 3446550, 5169825, 6203790, 10339650, 15509475, 31018950]

約数ペア:

[(1, 31018950), (2, 15509475), (3, 10339650), (5, 6203790), (6, 5169825), (9, 3446550), (10, 3101895), (15, 2067930), (18, 1723275), (23, 1348650), (25, 1240758), (27, 1148850), (30, 1033965), (37, 838350), (45, 689310), (46, 674325), (50, 620379), (54, 574425), (69, 449550), (74, 419175), (75, 413586), (81, 382950), (90, 344655), (111, 279450), (115, 269730), (135, 229770), (138, 224775), (150, 206793), (162, 191475), (185, 167670), (207, 149850), (222, 139725), (225, 137862), (230, 134865), (243, 127650), (270, 114885), (333, 93150), (345, 89910), (370, 83835), (405, 76590), (414, 74925), (450, 68931), (486, 63825), (555, 55890), (575, 53946), (621, 49950), (666, 46575), (675, 45954), (690, 44955), (729, 42550), (810, 38295), (851, 36450), (925, 33534), (999, 31050), (1035, 29970), (1110, 27945), (1150, 26973), (1215, 25530), (1242, 24975), (1350, 22977), (1458, 21275), (1665, 18630), (1702, 18225), (1725, 17982), (1850, 16767), (1863, 16650), (1998, 15525), (2025, 15318), (2070, 14985), (2430, 12765), (2553, 12150), (2775, 11178), (2997, 10350), (3105, 9990), (3330, 9315), (3450, 8991), (3645, 8510), (3726, 8325), (4050, 7659), (4255, 7290), (4995, 6210), (5106, 6075), (5175, 5994), (5550, 5589)]