1551138820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 4337141760

約数和(自身を除く): 2786002940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 179, 187, 220, 238, 308, 331, 340, 358, 374, 385, 476, 595, 662, 716, 748, 770, 895, 935, 1190, 1253, 1309, 1324, 1540, 1655, 1790, 1870, 1969, 2317, 2380, 2506, 2618, 3043, 3310, 3580, 3641, 3740, 3938, 4634, 5012, 5236, 5627, 6086, 6265, 6545, 6620, 7282, 7876, 9268, 9845, 11254, 11585, 12172, 12530, 13090, 13783, 14564, 15215, 18205, 19690, 21301, 22508, 23170, 25060, 25487, 26180, 27566, 28135, 30430, 33473, 36410, 39380, 39389, 42602, 46340, 50974, 55132, 56270, 59249, 60860, 61897, 66946, 68915, 72820, 78778, 85204, 101948, 106505, 112540, 118498, 123794, 127435, 133892, 137830, 157556, 167365, 196945, 213010, 234311, 236996, 247588, 254870, 275660, 296245, 309485, 334730, 393890, 414743, 426020, 433279, 468622, 509740, 592490, 618970, 651739, 669460, 787780, 829486, 866558, 937244, 1007233, 1171555, 1184980, 1237940, 1303478, 1658972, 1733116, 2014466, 2073715, 2166395, 2343110, 2606956, 3258695, 4028932, 4147430, 4332790, 4562173, 4686220, 5036165, 6517390, 7050631, 8294860, 8665580, 9124346, 10072330, 11079563, 13034780, 14101262, 18248692, 20144660, 22159126, 22810865, 28202524, 35253155, 44318252, 45621730, 55397815, 70506310, 77556941, 91243460, 110795630, 141012620, 155113882, 221591260, 310227764, 387784705, 775569410, 1551138820]

約数ペア:

[(1, 1551138820), (2, 775569410), (4, 387784705), (5, 310227764), (7, 221591260), (10, 155113882), (11, 141012620), (14, 110795630), (17, 91243460), (20, 77556941), (22, 70506310), (28, 55397815), (34, 45621730), (35, 44318252), (44, 35253155), (55, 28202524), (68, 22810865), (70, 22159126), (77, 20144660), (85, 18248692), (110, 14101262), (119, 13034780), (140, 11079563), (154, 10072330), (170, 9124346), (179, 8665580), (187, 8294860), (220, 7050631), (238, 6517390), (308, 5036165), (331, 4686220), (340, 4562173), (358, 4332790), (374, 4147430), (385, 4028932), (476, 3258695), (595, 2606956), (662, 2343110), (716, 2166395), (748, 2073715), (770, 2014466), (895, 1733116), (935, 1658972), (1190, 1303478), (1253, 1237940), (1309, 1184980), (1324, 1171555), (1540, 1007233), (1655, 937244), (1790, 866558), (1870, 829486), (1969, 787780), (2317, 669460), (2380, 651739), (2506, 618970), (2618, 592490), (3043, 509740), (3310, 468622), (3580, 433279), (3641, 426020), (3740, 414743), (3938, 393890), (4634, 334730), (5012, 309485), (5236, 296245), (5627, 275660), (6086, 254870), (6265, 247588), (6545, 236996), (6620, 234311), (7282, 213010), (7876, 196945), (9268, 167365), (9845, 157556), (11254, 137830), (11585, 133892), (12172, 127435), (12530, 123794), (13090, 118498), (13783, 112540), (14564, 106505), (15215, 101948), (18205, 85204), (19690, 78778), (21301, 72820), (22508, 68915), (23170, 66946), (25060, 61897), (25487, 60860), (26180, 59249), (27566, 56270), (28135, 55132), (30430, 50974), (33473, 46340), (36410, 42602), (39380, 39389)]