311883480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15199}}^1$

素因数の和:15238

約数の個数: 128

約数和(自身を含む): 1094400000

約数和(自身を除く): 782516520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 15199, 20520, 30398, 45597, 60796, 75995, 91194, 121592, 136791, 151990, 182388, 227985, 273582, 288781, 303980, 364776, 410373, 455970, 547164, 577562, 607960, 683955, 820746, 866343, 911940, 1094328, 1155124, 1367910, 1443905, 1641492, 1732686, 1823880, 2051865, 2310248, 2599029, 2735820, 2887810, 3282984, 3465372, 4103730, 4331715, 5198058, 5471640, 5775620, 6930744, 7797087, 8207460, 8663430, 10396116, 11551240, 12995145, 15594174, 16414920, 17326860, 20792232, 25990290, 31188348, 34653720, 38985435, 51980580, 62376696, 77970870, 103961160, 155941740, 311883480]

約数ペア:

[(1, 311883480), (2, 155941740), (3, 103961160), (4, 77970870), (5, 62376696), (6, 51980580), (8, 38985435), (9, 34653720), (10, 31188348), (12, 25990290), (15, 20792232), (18, 17326860), (19, 16414920), (20, 15594174), (24, 12995145), (27, 11551240), (30, 10396116), (36, 8663430), (38, 8207460), (40, 7797087), (45, 6930744), (54, 5775620), (57, 5471640), (60, 5198058), (72, 4331715), (76, 4103730), (90, 3465372), (95, 3282984), (108, 2887810), (114, 2735820), (120, 2599029), (135, 2310248), (152, 2051865), (171, 1823880), (180, 1732686), (190, 1641492), (216, 1443905), (228, 1367910), (270, 1155124), (285, 1094328), (342, 911940), (360, 866343), (380, 820746), (456, 683955), (513, 607960), (540, 577562), (570, 547164), (684, 455970), (760, 410373), (855, 364776), (1026, 303980), (1080, 288781), (1140, 273582), (1368, 227985), (1710, 182388), (2052, 151990), (2280, 136791), (2565, 121592), (3420, 91194), (4104, 75995), (5130, 60796), (6840, 45597), (10260, 30398), (15199, 20520)]