1561498920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{52259}}^1$

素因数の和:52359

約数の個数: 96

約数和(自身を含む): 5136112800

約数和(自身を除く): 3574613880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 83, 90, 120, 166, 180, 249, 332, 360, 415, 498, 664, 747, 830, 996, 1245, 1494, 1660, 1992, 2490, 2988, 3320, 3735, 4980, 5976, 7470, 9960, 14940, 29880, 52259, 104518, 156777, 209036, 261295, 313554, 418072, 470331, 522590, 627108, 783885, 940662, 1045180, 1254216, 1567770, 1881324, 2090360, 2351655, 3135540, 3762648, 4337497, 4703310, 6271080, 8674994, 9406620, 13012491, 17349988, 18813240, 21687485, 26024982, 34699976, 39037473, 43374970, 52049964, 65062455, 78074946, 86749940, 104099928, 130124910, 156149892, 173499880, 195187365, 260249820, 312299784, 390374730, 520499640, 780749460, 1561498920]

約数ペア:

[(1, 1561498920), (2, 780749460), (3, 520499640), (4, 390374730), (5, 312299784), (6, 260249820), (8, 195187365), (9, 173499880), (10, 156149892), (12, 130124910), (15, 104099928), (18, 86749940), (20, 78074946), (24, 65062455), (30, 52049964), (36, 43374970), (40, 39037473), (45, 34699976), (60, 26024982), (72, 21687485), (83, 18813240), (90, 17349988), (120, 13012491), (166, 9406620), (180, 8674994), (249, 6271080), (332, 4703310), (360, 4337497), (415, 3762648), (498, 3135540), (664, 2351655), (747, 2090360), (830, 1881324), (996, 1567770), (1245, 1254216), (1494, 1045180), (1660, 940662), (1992, 783885), (2490, 627108), (2988, 522590), (3320, 470331), (3735, 418072), (4980, 313554), (5976, 261295), (7470, 209036), (9960, 156777), (14940, 104518), (29880, 52259)]