172414980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1591

約数の個数: 120

約数和(自身を含む): 548856000

約数和(自身を除く): 376441020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 810, 852, 1065, 1278, 1420, 1499, 1620, 1917, 2130, 2556, 2998, 3195, 3834, 4260, 4497, 5751, 5996, 6390, 7495, 7668, 8994, 9585, 11502, 12780, 13491, 14990, 17988, 19170, 22485, 23004, 26982, 28755, 29980, 38340, 40473, 44970, 53964, 57510, 67455, 80946, 89940, 106429, 115020, 121419, 134910, 161892, 202365, 212858, 242838, 269820, 319287, 404730, 425716, 485676, 532145, 607095, 638574, 809460, 957861, 1064290, 1214190, 1277148, 1596435, 1915722, 2128580, 2428380, 2873583, 3192870, 3831444, 4789305, 5747166, 6385740, 8620749, 9578610, 11494332, 14367915, 17241498, 19157220, 28735830, 34482996, 43103745, 57471660, 86207490, 172414980]

約数ペア:

[(1, 172414980), (2, 86207490), (3, 57471660), (4, 43103745), (5, 34482996), (6, 28735830), (9, 19157220), (10, 17241498), (12, 14367915), (15, 11494332), (18, 9578610), (20, 8620749), (27, 6385740), (30, 5747166), (36, 4789305), (45, 3831444), (54, 3192870), (60, 2873583), (71, 2428380), (81, 2128580), (90, 1915722), (108, 1596435), (135, 1277148), (142, 1214190), (162, 1064290), (180, 957861), (213, 809460), (270, 638574), (284, 607095), (324, 532145), (355, 485676), (405, 425716), (426, 404730), (540, 319287), (639, 269820), (710, 242838), (810, 212858), (852, 202365), (1065, 161892), (1278, 134910), (1420, 121419), (1499, 115020), (1620, 106429), (1917, 89940), (2130, 80946), (2556, 67455), (2998, 57510), (3195, 53964), (3834, 44970), (4260, 40473), (4497, 38340), (5751, 29980), (5996, 28755), (6390, 26982), (7495, 23004), (7668, 22485), (8994, 19170), (9585, 17988), (11502, 14990), (12780, 13491)]