281855880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:588

約数の個数: 192

約数和(自身を含む): 977184000

約数和(自身を除く): 695328120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 89, 90, 95, 114, 120, 152, 171, 178, 180, 190, 228, 267, 285, 342, 356, 360, 380, 445, 456, 463, 534, 570, 684, 712, 760, 801, 855, 890, 926, 1068, 1140, 1335, 1368, 1389, 1602, 1691, 1710, 1780, 1852, 2136, 2280, 2315, 2670, 2778, 3204, 3382, 3420, 3560, 3704, 4005, 4167, 4630, 5073, 5340, 5556, 6408, 6764, 6840, 6945, 8010, 8334, 8455, 8797, 9260, 10146, 10680, 11112, 13528, 13890, 15219, 16020, 16668, 16910, 17594, 18520, 20292, 20835, 25365, 26391, 27780, 30438, 32040, 33336, 33820, 35188, 40584, 41207, 41670, 43985, 50730, 52782, 55560, 60876, 67640, 70376, 76095, 79173, 82414, 83340, 87970, 101460, 105564, 121752, 123621, 131955, 152190, 158346, 164828, 166680, 175940, 202920, 206035, 211128, 247242, 263910, 304380, 316692, 329656, 351880, 370863, 395865, 412070, 494484, 527820, 608760, 618105, 633384, 741726, 782933, 791730, 824140, 988968, 1055640, 1236210, 1483452, 1565866, 1583460, 1648280, 1854315, 2348799, 2472420, 2966904, 3131732, 3166920, 3708630, 3914665, 4697598, 4944840, 6263464, 7046397, 7417260, 7829330, 9395196, 11743995, 14092794, 14834520, 15658660, 18790392, 23487990, 28185588, 31317320, 35231985, 46975980, 56371176, 70463970, 93951960, 140927940, 281855880]

約数ペア:

[(1, 281855880), (2, 140927940), (3, 93951960), (4, 70463970), (5, 56371176), (6, 46975980), (8, 35231985), (9, 31317320), (10, 28185588), (12, 23487990), (15, 18790392), (18, 15658660), (19, 14834520), (20, 14092794), (24, 11743995), (30, 9395196), (36, 7829330), (38, 7417260), (40, 7046397), (45, 6263464), (57, 4944840), (60, 4697598), (72, 3914665), (76, 3708630), (89, 3166920), (90, 3131732), (95, 2966904), (114, 2472420), (120, 2348799), (152, 1854315), (171, 1648280), (178, 1583460), (180, 1565866), (190, 1483452), (228, 1236210), (267, 1055640), (285, 988968), (342, 824140), (356, 791730), (360, 782933), (380, 741726), (445, 633384), (456, 618105), (463, 608760), (534, 527820), (570, 494484), (684, 412070), (712, 395865), (760, 370863), (801, 351880), (855, 329656), (890, 316692), (926, 304380), (1068, 263910), (1140, 247242), (1335, 211128), (1368, 206035), (1389, 202920), (1602, 175940), (1691, 166680), (1710, 164828), (1780, 158346), (1852, 152190), (2136, 131955), (2280, 123621), (2315, 121752), (2670, 105564), (2778, 101460), (3204, 87970), (3382, 83340), (3420, 82414), (3560, 79173), (3704, 76095), (4005, 70376), (4167, 67640), (4630, 60876), (5073, 55560), (5340, 52782), (5556, 50730), (6408, 43985), (6764, 41670), (6840, 41207), (6945, 40584), (8010, 35188), (8334, 33820), (8455, 33336), (8797, 32040), (9260, 30438), (10146, 27780), (10680, 26391), (11112, 25365), (13528, 20835), (13890, 20292), (15219, 18520), (16020, 17594), (16668, 16910)]