281390040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:298

約数の個数: 192

約数和(自身を含む): 945172800

約数和(自身を除く): 663782760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 101, 109, 120, 142, 180, 202, 213, 218, 284, 303, 327, 355, 360, 404, 426, 436, 505, 545, 568, 606, 639, 654, 710, 808, 852, 872, 909, 981, 1010, 1065, 1090, 1212, 1278, 1308, 1420, 1515, 1635, 1704, 1818, 1962, 2020, 2130, 2180, 2424, 2556, 2616, 2840, 3030, 3195, 3270, 3636, 3924, 4040, 4260, 4360, 4545, 4905, 5112, 6060, 6390, 6540, 7171, 7272, 7739, 7848, 8520, 9090, 9810, 11009, 12120, 12780, 13080, 14342, 15478, 18180, 19620, 21513, 22018, 23217, 25560, 28684, 30956, 33027, 35855, 36360, 38695, 39240, 43026, 44036, 46434, 55045, 57368, 61912, 64539, 66054, 69651, 71710, 77390, 86052, 88072, 92868, 99081, 107565, 110090, 116085, 129078, 132108, 139302, 143420, 154780, 165135, 172104, 185736, 198162, 215130, 220180, 232170, 258156, 264216, 278604, 286840, 309560, 322695, 330270, 348255, 396324, 430260, 440360, 464340, 495405, 516312, 557208, 645390, 660540, 696510, 781639, 792648, 860520, 928680, 990810, 1290780, 1321080, 1393020, 1563278, 1981620, 2344917, 2581560, 2786040, 3126556, 3908195, 3963240, 4689834, 6253112, 7034751, 7816390, 9379668, 11724585, 14069502, 15632780, 18759336, 23449170, 28139004, 31265560, 35173755, 46898340, 56278008, 70347510, 93796680, 140695020, 281390040]

約数ペア:

[(1, 281390040), (2, 140695020), (3, 93796680), (4, 70347510), (5, 56278008), (6, 46898340), (8, 35173755), (9, 31265560), (10, 28139004), (12, 23449170), (15, 18759336), (18, 15632780), (20, 14069502), (24, 11724585), (30, 9379668), (36, 7816390), (40, 7034751), (45, 6253112), (60, 4689834), (71, 3963240), (72, 3908195), (90, 3126556), (101, 2786040), (109, 2581560), (120, 2344917), (142, 1981620), (180, 1563278), (202, 1393020), (213, 1321080), (218, 1290780), (284, 990810), (303, 928680), (327, 860520), (355, 792648), (360, 781639), (404, 696510), (426, 660540), (436, 645390), (505, 557208), (545, 516312), (568, 495405), (606, 464340), (639, 440360), (654, 430260), (710, 396324), (808, 348255), (852, 330270), (872, 322695), (909, 309560), (981, 286840), (1010, 278604), (1065, 264216), (1090, 258156), (1212, 232170), (1278, 220180), (1308, 215130), (1420, 198162), (1515, 185736), (1635, 172104), (1704, 165135), (1818, 154780), (1962, 143420), (2020, 139302), (2130, 132108), (2180, 129078), (2424, 116085), (2556, 110090), (2616, 107565), (2840, 99081), (3030, 92868), (3195, 88072), (3270, 86052), (3636, 77390), (3924, 71710), (4040, 69651), (4260, 66054), (4360, 64539), (4545, 61912), (4905, 57368), (5112, 55045), (6060, 46434), (6390, 44036), (6540, 43026), (7171, 39240), (7272, 38695), (7739, 36360), (7848, 35855), (8520, 33027), (9090, 30956), (9810, 28684), (11009, 25560), (12120, 23217), (12780, 22018), (13080, 21513), (14342, 19620), (15478, 18180)]