291207780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 906272640

約数和(自身を除く): 615064860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 113, 139, 180, 206, 226, 278, 309, 339, 412, 417, 452, 515, 556, 565, 618, 678, 695, 834, 927, 1017, 1030, 1130, 1236, 1251, 1356, 1390, 1545, 1668, 1695, 1854, 2034, 2060, 2085, 2260, 2502, 2780, 3090, 3390, 3708, 4068, 4170, 4635, 5004, 5085, 6180, 6255, 6780, 8340, 9270, 10170, 11639, 12510, 14317, 15707, 18540, 20340, 23278, 25020, 28634, 31414, 34917, 42951, 46556, 47121, 57268, 58195, 62828, 69834, 71585, 78535, 85902, 94242, 104751, 116390, 128853, 139668, 141363, 143170, 157070, 171804, 174585, 188484, 209502, 214755, 232780, 235605, 257706, 282726, 286340, 314140, 349170, 419004, 429510, 471210, 515412, 523755, 565452, 644265, 698340, 706815, 859020, 942420, 1047510, 1288530, 1413630, 1617821, 2095020, 2577060, 2827260, 3235642, 4853463, 6471284, 8089105, 9706926, 14560389, 16178210, 19413852, 24267315, 29120778, 32356420, 48534630, 58241556, 72801945, 97069260, 145603890, 291207780]

約数ペア:

[(1, 291207780), (2, 145603890), (3, 97069260), (4, 72801945), (5, 58241556), (6, 48534630), (9, 32356420), (10, 29120778), (12, 24267315), (15, 19413852), (18, 16178210), (20, 14560389), (30, 9706926), (36, 8089105), (45, 6471284), (60, 4853463), (90, 3235642), (103, 2827260), (113, 2577060), (139, 2095020), (180, 1617821), (206, 1413630), (226, 1288530), (278, 1047510), (309, 942420), (339, 859020), (412, 706815), (417, 698340), (452, 644265), (515, 565452), (556, 523755), (565, 515412), (618, 471210), (678, 429510), (695, 419004), (834, 349170), (927, 314140), (1017, 286340), (1030, 282726), (1130, 257706), (1236, 235605), (1251, 232780), (1356, 214755), (1390, 209502), (1545, 188484), (1668, 174585), (1695, 171804), (1854, 157070), (2034, 143170), (2060, 141363), (2085, 139668), (2260, 128853), (2502, 116390), (2780, 104751), (3090, 94242), (3390, 85902), (3708, 78535), (4068, 71585), (4170, 69834), (4635, 62828), (5004, 58195), (5085, 57268), (6180, 47121), (6255, 46556), (6780, 42951), (8340, 34917), (9270, 31414), (10170, 28634), (11639, 25020), (12510, 23278), (14317, 20340), (15707, 18540)]