15831420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 51988608

約数和(自身を除く): 36157188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 83, 85, 102, 110, 132, 165, 166, 170, 187, 204, 220, 249, 255, 289, 330, 332, 340, 374, 415, 498, 510, 561, 578, 660, 748, 830, 867, 913, 935, 996, 1020, 1122, 1156, 1245, 1411, 1445, 1660, 1734, 1826, 1870, 2244, 2490, 2739, 2805, 2822, 2890, 3179, 3468, 3652, 3740, 4233, 4335, 4565, 4980, 5478, 5610, 5644, 5780, 6358, 7055, 8466, 8670, 9130, 9537, 10956, 11220, 12716, 13695, 14110, 15521, 15895, 16932, 17340, 18260, 19074, 21165, 23987, 27390, 28220, 31042, 31790, 38148, 42330, 46563, 47685, 47974, 54780, 62084, 63580, 71961, 77605, 84660, 93126, 95370, 95948, 119935, 143922, 155210, 186252, 190740, 232815, 239870, 263857, 287844, 310420, 359805, 465630, 479740, 527714, 719610, 791571, 931260, 1055428, 1319285, 1439220, 1583142, 2638570, 3166284, 3957855, 5277140, 7915710, 15831420]

約数ペア:

[(1, 15831420), (2, 7915710), (3, 5277140), (4, 3957855), (5, 3166284), (6, 2638570), (10, 1583142), (11, 1439220), (12, 1319285), (15, 1055428), (17, 931260), (20, 791571), (22, 719610), (30, 527714), (33, 479740), (34, 465630), (44, 359805), (51, 310420), (55, 287844), (60, 263857), (66, 239870), (68, 232815), (83, 190740), (85, 186252), (102, 155210), (110, 143922), (132, 119935), (165, 95948), (166, 95370), (170, 93126), (187, 84660), (204, 77605), (220, 71961), (249, 63580), (255, 62084), (289, 54780), (330, 47974), (332, 47685), (340, 46563), (374, 42330), (415, 38148), (498, 31790), (510, 31042), (561, 28220), (578, 27390), (660, 23987), (748, 21165), (830, 19074), (867, 18260), (913, 17340), (935, 16932), (996, 15895), (1020, 15521), (1122, 14110), (1156, 13695), (1245, 12716), (1411, 11220), (1445, 10956), (1660, 9537), (1734, 9130), (1826, 8670), (1870, 8466), (2244, 7055), (2490, 6358), (2739, 5780), (2805, 5644), (2822, 5610), (2890, 5478), (3179, 4980), (3468, 4565), (3652, 4335), (3740, 4233)]