129715280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 322896000

約数和(自身を除く): 193180720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1399, 1520, 2318, 2440, 2798, 4636, 4880, 5596, 5795, 6995, 9272, 11192, 11590, 13990, 18544, 22384, 23180, 26581, 27980, 46360, 53162, 55960, 85339, 92720, 106324, 111920, 132905, 170678, 212648, 265810, 341356, 425296, 426695, 531620, 682712, 853390, 1063240, 1365424, 1621441, 1706780, 2126480, 3242882, 3413560, 6485764, 6827120, 8107205, 12971528, 16214410, 25943056, 32428820, 64857640, 129715280]

約数ペア:

[(1, 129715280), (2, 64857640), (4, 32428820), (5, 25943056), (8, 16214410), (10, 12971528), (16, 8107205), (19, 6827120), (20, 6485764), (38, 3413560), (40, 3242882), (61, 2126480), (76, 1706780), (80, 1621441), (95, 1365424), (122, 1063240), (152, 853390), (190, 682712), (244, 531620), (304, 426695), (305, 425296), (380, 341356), (488, 265810), (610, 212648), (760, 170678), (976, 132905), (1159, 111920), (1220, 106324), (1399, 92720), (1520, 85339), (2318, 55960), (2440, 53162), (2798, 46360), (4636, 27980), (4880, 26581), (5596, 23180), (5795, 22384), (6995, 18544), (9272, 13990), (11192, 11590)]