18154980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:398

約数の個数: 108

約数和(自身を含む): 58667700

約数和(自身を除く): 40512720

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 289, 306, 340, 349, 510, 578, 612, 698, 765, 867, 1020, 1047, 1156, 1396, 1445, 1530, 1734, 1745, 2094, 2601, 2890, 3060, 3141, 3468, 3490, 4188, 4335, 5202, 5235, 5780, 5933, 6282, 6980, 8670, 10404, 10470, 11866, 12564, 13005, 15705, 17340, 17799, 20940, 23732, 26010, 29665, 31410, 35598, 52020, 53397, 59330, 62820, 71196, 88995, 100861, 106794, 118660, 177990, 201722, 213588, 266985, 302583, 355980, 403444, 504305, 533970, 605166, 907749, 1008610, 1067940, 1210332, 1512915, 1815498, 2017220, 3025830, 3630996, 4538745, 6051660, 9077490, 18154980]

約数ペア:

[(1, 18154980), (2, 9077490), (3, 6051660), (4, 4538745), (5, 3630996), (6, 3025830), (9, 2017220), (10, 1815498), (12, 1512915), (15, 1210332), (17, 1067940), (18, 1008610), (20, 907749), (30, 605166), (34, 533970), (36, 504305), (45, 403444), (51, 355980), (60, 302583), (68, 266985), (85, 213588), (90, 201722), (102, 177990), (153, 118660), (170, 106794), (180, 100861), (204, 88995), (255, 71196), (289, 62820), (306, 59330), (340, 53397), (349, 52020), (510, 35598), (578, 31410), (612, 29665), (698, 26010), (765, 23732), (867, 20940), (1020, 17799), (1047, 17340), (1156, 15705), (1396, 13005), (1445, 12564), (1530, 11866), (1734, 10470), (1745, 10404), (2094, 8670), (2601, 6980), (2890, 6282), (3060, 5933), (3141, 5780), (3468, 5235), (3490, 5202), (4188, 4335)]