87364980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 120

約数和(自身を含む): 276460800

約数和(自身を除く): 189095820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 199, 270, 271, 324, 398, 405, 540, 542, 597, 796, 810, 813, 995, 1084, 1194, 1355, 1620, 1626, 1791, 1990, 2388, 2439, 2710, 2985, 3252, 3582, 3980, 4065, 4878, 5373, 5420, 5970, 7164, 7317, 8130, 8955, 9756, 10746, 11940, 12195, 14634, 16119, 16260, 17910, 21492, 21951, 24390, 26865, 29268, 32238, 35820, 36585, 43902, 48780, 53730, 53929, 64476, 73170, 80595, 87804, 107460, 107858, 109755, 146340, 161190, 161787, 215716, 219510, 269645, 322380, 323574, 439020, 485361, 539290, 647148, 808935, 970722, 1078580, 1456083, 1617870, 1941444, 2426805, 2912166, 3235740, 4368249, 4853610, 5824332, 7280415, 8736498, 9707220, 14560830, 17472996, 21841245, 29121660, 43682490, 87364980]

約数ペア:

[(1, 87364980), (2, 43682490), (3, 29121660), (4, 21841245), (5, 17472996), (6, 14560830), (9, 9707220), (10, 8736498), (12, 7280415), (15, 5824332), (18, 4853610), (20, 4368249), (27, 3235740), (30, 2912166), (36, 2426805), (45, 1941444), (54, 1617870), (60, 1456083), (81, 1078580), (90, 970722), (108, 808935), (135, 647148), (162, 539290), (180, 485361), (199, 439020), (270, 323574), (271, 322380), (324, 269645), (398, 219510), (405, 215716), (540, 161787), (542, 161190), (597, 146340), (796, 109755), (810, 107858), (813, 107460), (995, 87804), (1084, 80595), (1194, 73170), (1355, 64476), (1620, 53929), (1626, 53730), (1791, 48780), (1990, 43902), (2388, 36585), (2439, 35820), (2710, 32238), (2985, 29268), (3252, 26865), (3582, 24390), (3980, 21951), (4065, 21492), (4878, 17910), (5373, 16260), (5420, 16119), (5970, 14634), (7164, 12195), (7317, 11940), (8130, 10746), (8955, 9756)]