15918121180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{5077}}^1$

素因数の和:5519

約数の個数: 96

約数和(自身を含む): 37263582720

約数和(自身を除く): 21345461540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 389, 403, 620, 778, 806, 1556, 1612, 1945, 2015, 3890, 4030, 5057, 5077, 7780, 8060, 10114, 10154, 12059, 20228, 20308, 24118, 25285, 25385, 48236, 50570, 50770, 60295, 66001, 101140, 101540, 120590, 132002, 156767, 157387, 241180, 264004, 313534, 314774, 330005, 627068, 629548, 660010, 783835, 786935, 1320020, 1567670, 1573870, 1974953, 2046031, 3135340, 3147740, 3949906, 4092062, 7899812, 8184124, 9874765, 10230155, 19749530, 20460310, 25674389, 39499060, 40920620, 51348778, 61223543, 102697556, 122447086, 128371945, 244894172, 256743890, 306117715, 513487780, 612235430, 795906059, 1224470860, 1591812118, 3183624236, 3979530295, 7959060590, 15918121180]

約数ペア:

[(1, 15918121180), (2, 7959060590), (4, 3979530295), (5, 3183624236), (10, 1591812118), (13, 1224470860), (20, 795906059), (26, 612235430), (31, 513487780), (52, 306117715), (62, 256743890), (65, 244894172), (124, 128371945), (130, 122447086), (155, 102697556), (260, 61223543), (310, 51348778), (389, 40920620), (403, 39499060), (620, 25674389), (778, 20460310), (806, 19749530), (1556, 10230155), (1612, 9874765), (1945, 8184124), (2015, 7899812), (3890, 4092062), (4030, 3949906), (5057, 3147740), (5077, 3135340), (7780, 2046031), (8060, 1974953), (10114, 1573870), (10154, 1567670), (12059, 1320020), (20228, 786935), (20308, 783835), (24118, 660010), (25285, 629548), (25385, 627068), (48236, 330005), (50570, 314774), (50770, 313534), (60295, 264004), (66001, 241180), (101140, 157387), (101540, 156767), (120590, 132002)]