161615220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207199}}^1$

素因数の和:207224

約数の個数: 48

約数和(自身を含む): 487334400

約数和(自身を除く): 325719180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 207199, 414398, 621597, 828796, 1035995, 1243194, 2071990, 2486388, 2693587, 3107985, 4143980, 5387174, 6215970, 8080761, 10774348, 12431940, 13467935, 16161522, 26935870, 32323044, 40403805, 53871740, 80807610, 161615220]

約数ペア:

[(1, 161615220), (2, 80807610), (3, 53871740), (4, 40403805), (5, 32323044), (6, 26935870), (10, 16161522), (12, 13467935), (13, 12431940), (15, 10774348), (20, 8080761), (26, 6215970), (30, 5387174), (39, 4143980), (52, 3107985), (60, 2693587), (65, 2486388), (78, 2071990), (130, 1243194), (156, 1035995), (195, 828796), (260, 621597), (390, 414398), (780, 207199)]