123308320

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18797}}^1$

素因数の和:18853

約数の個数: 48

約数和(自身を含む): 298437048

約数和(自身を除く): 175128728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 18797, 37594, 75188, 93985, 150376, 187970, 300752, 375940, 601504, 751880, 770677, 1503760, 1541354, 3007520, 3082708, 3853385, 6165416, 7706770, 12330832, 15413540, 24661664, 30827080, 61654160, 123308320]

約数ペア:

[(1, 123308320), (2, 61654160), (4, 30827080), (5, 24661664), (8, 15413540), (10, 12330832), (16, 7706770), (20, 6165416), (32, 3853385), (40, 3082708), (41, 3007520), (80, 1541354), (82, 1503760), (160, 770677), (164, 751880), (205, 601504), (328, 375940), (410, 300752), (656, 187970), (820, 150376), (1312, 93985), (1640, 75188), (3280, 37594), (6560, 18797)]