8891970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 22391424

約数和(自身を除く): 13499454

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 61, 86, 113, 122, 129, 183, 215, 226, 258, 305, 339, 366, 430, 565, 610, 645, 678, 915, 1130, 1290, 1695, 1830, 2623, 3390, 4859, 5246, 6893, 7869, 9718, 13115, 13786, 14577, 15738, 20679, 24295, 26230, 29154, 34465, 39345, 41358, 48590, 68930, 72885, 78690, 103395, 145770, 206790, 296399, 592798, 889197, 1481995, 1778394, 2963990, 4445985, 8891970]

約数ペア:

[(1, 8891970), (2, 4445985), (3, 2963990), (5, 1778394), (6, 1481995), (10, 889197), (15, 592798), (30, 296399), (43, 206790), (61, 145770), (86, 103395), (113, 78690), (122, 72885), (129, 68930), (183, 48590), (215, 41358), (226, 39345), (258, 34465), (305, 29154), (339, 26230), (366, 24295), (430, 20679), (565, 15738), (610, 14577), (645, 13786), (678, 13115), (915, 9718), (1130, 7869), (1290, 6893), (1695, 5246), (1830, 4859), (2623, 3390)]