121391970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 356106240

約数和(自身を除く): 234714270

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 31, 35, 42, 58, 62, 70, 87, 93, 105, 145, 155, 174, 186, 203, 210, 217, 290, 310, 406, 434, 435, 465, 609, 643, 651, 870, 899, 930, 1015, 1085, 1218, 1286, 1302, 1798, 1929, 2030, 2170, 2697, 3045, 3215, 3255, 3858, 4495, 4501, 5394, 6090, 6293, 6430, 6510, 8990, 9002, 9645, 12586, 13485, 13503, 18647, 18879, 19290, 19933, 22505, 26970, 27006, 31465, 37294, 37758, 39866, 45010, 55941, 59799, 62930, 67515, 93235, 94395, 99665, 111882, 119598, 130529, 135030, 139531, 186470, 188790, 199330, 261058, 279062, 279705, 298995, 391587, 418593, 559410, 578057, 597990, 652645, 697655, 783174, 837186, 1156114, 1305290, 1395310, 1734171, 1957935, 2092965, 2890285, 3468342, 3915870, 4046399, 4185930, 5780570, 8092798, 8670855, 12139197, 17341710, 20231995, 24278394, 40463990, 60695985, 121391970]

約数ペア:

[(1, 121391970), (2, 60695985), (3, 40463990), (5, 24278394), (6, 20231995), (7, 17341710), (10, 12139197), (14, 8670855), (15, 8092798), (21, 5780570), (29, 4185930), (30, 4046399), (31, 3915870), (35, 3468342), (42, 2890285), (58, 2092965), (62, 1957935), (70, 1734171), (87, 1395310), (93, 1305290), (105, 1156114), (145, 837186), (155, 783174), (174, 697655), (186, 652645), (203, 597990), (210, 578057), (217, 559410), (290, 418593), (310, 391587), (406, 298995), (434, 279705), (435, 279062), (465, 261058), (609, 199330), (643, 188790), (651, 186470), (870, 139531), (899, 135030), (930, 130529), (1015, 119598), (1085, 111882), (1218, 99665), (1286, 94395), (1302, 93235), (1798, 67515), (1929, 62930), (2030, 59799), (2170, 55941), (2697, 45010), (3045, 39866), (3215, 37758), (3255, 37294), (3858, 31465), (4495, 27006), (4501, 26970), (5394, 22505), (6090, 19933), (6293, 19290), (6430, 18879), (6510, 18647), (8990, 13503), (9002, 13485), (9645, 12586)]