78532860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 267369984

約数和(自身を除く): 188837124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 289, 340, 357, 420, 476, 510, 578, 595, 647, 714, 867, 1020, 1156, 1190, 1294, 1428, 1445, 1734, 1785, 1941, 2023, 2380, 2588, 2890, 3235, 3468, 3570, 3882, 4046, 4335, 4529, 5780, 6069, 6470, 7140, 7764, 8092, 8670, 9058, 9705, 10115, 10999, 12138, 12940, 13587, 17340, 18116, 19410, 20230, 21998, 22645, 24276, 27174, 30345, 32997, 38820, 40460, 43996, 45290, 54348, 54995, 60690, 65994, 67935, 76993, 90580, 109990, 121380, 131988, 135870, 153986, 164985, 186983, 219980, 230979, 271740, 307972, 329970, 373966, 384965, 461958, 560949, 659940, 747932, 769930, 923916, 934915, 1121898, 1154895, 1308881, 1539860, 1869830, 2243796, 2309790, 2617762, 2804745, 3739660, 3926643, 4619580, 5235524, 5609490, 6544405, 7853286, 11218980, 13088810, 15706572, 19633215, 26177620, 39266430, 78532860]

約数ペア:

[(1, 78532860), (2, 39266430), (3, 26177620), (4, 19633215), (5, 15706572), (6, 13088810), (7, 11218980), (10, 7853286), (12, 6544405), (14, 5609490), (15, 5235524), (17, 4619580), (20, 3926643), (21, 3739660), (28, 2804745), (30, 2617762), (34, 2309790), (35, 2243796), (42, 1869830), (51, 1539860), (60, 1308881), (68, 1154895), (70, 1121898), (84, 934915), (85, 923916), (102, 769930), (105, 747932), (119, 659940), (140, 560949), (170, 461958), (204, 384965), (210, 373966), (238, 329970), (255, 307972), (289, 271740), (340, 230979), (357, 219980), (420, 186983), (476, 164985), (510, 153986), (578, 135870), (595, 131988), (647, 121380), (714, 109990), (867, 90580), (1020, 76993), (1156, 67935), (1190, 65994), (1294, 60690), (1428, 54995), (1445, 54348), (1734, 45290), (1785, 43996), (1941, 40460), (2023, 38820), (2380, 32997), (2588, 30345), (2890, 27174), (3235, 24276), (3468, 22645), (3570, 21998), (3882, 20230), (4046, 19410), (4335, 18116), (4529, 17340), (5780, 13587), (6069, 12940), (6470, 12138), (7140, 10999), (7764, 10115), (8092, 9705), (8670, 9058)]