18255280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 46497024

約数和(自身を除く): 28241744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 433, 496, 527, 620, 680, 866, 1054, 1240, 1360, 1732, 2108, 2165, 2480, 2635, 3464, 4216, 4330, 5270, 6928, 7361, 8432, 8660, 10540, 13423, 14722, 17320, 21080, 26846, 29444, 34640, 36805, 42160, 53692, 58888, 67115, 73610, 107384, 117776, 134230, 147220, 214768, 228191, 268460, 294440, 456382, 536920, 588880, 912764, 1073840, 1140955, 1825528, 2281910, 3651056, 4563820, 9127640, 18255280]

約数ペア:

[(1, 18255280), (2, 9127640), (4, 4563820), (5, 3651056), (8, 2281910), (10, 1825528), (16, 1140955), (17, 1073840), (20, 912764), (31, 588880), (34, 536920), (40, 456382), (62, 294440), (68, 268460), (80, 228191), (85, 214768), (124, 147220), (136, 134230), (155, 117776), (170, 107384), (248, 73610), (272, 67115), (310, 58888), (340, 53692), (433, 42160), (496, 36805), (527, 34640), (620, 29444), (680, 26846), (866, 21080), (1054, 17320), (1240, 14722), (1360, 13423), (1732, 10540), (2108, 8660), (2165, 8432), (2480, 7361), (2635, 6928), (3464, 5270), (4216, 4330)]