408169320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15391}}^1$

素因数の和:15435

約数の個数: 128

約数和(自身を含む): 1396362240

約数和(自身を除く): 988192920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8840, 13260, 15391, 26520, 30782, 46173, 61564, 76955, 92346, 123128, 153910, 184692, 200083, 230865, 261647, 307820, 369384, 400166, 461730, 523294, 600249, 615640, 784941, 800332, 923460, 1000415, 1046588, 1200498, 1308235, 1569882, 1600664, 1846920, 2000830, 2093176, 2400996, 2616470, 3001245, 3139764, 3401411, 3924705, 4001660, 4801992, 5232940, 6002490, 6279528, 6802822, 7849410, 8003320, 10204233, 10465880, 12004980, 13605644, 15698820, 17007055, 20408466, 24009960, 27211288, 31397640, 34014110, 40816932, 51021165, 68028220, 81633864, 102042330, 136056440, 204084660, 408169320]

約数ペア:

[(1, 408169320), (2, 204084660), (3, 136056440), (4, 102042330), (5, 81633864), (6, 68028220), (8, 51021165), (10, 40816932), (12, 34014110), (13, 31397640), (15, 27211288), (17, 24009960), (20, 20408466), (24, 17007055), (26, 15698820), (30, 13605644), (34, 12004980), (39, 10465880), (40, 10204233), (51, 8003320), (52, 7849410), (60, 6802822), (65, 6279528), (68, 6002490), (78, 5232940), (85, 4801992), (102, 4001660), (104, 3924705), (120, 3401411), (130, 3139764), (136, 3001245), (156, 2616470), (170, 2400996), (195, 2093176), (204, 2000830), (221, 1846920), (255, 1600664), (260, 1569882), (312, 1308235), (340, 1200498), (390, 1046588), (408, 1000415), (442, 923460), (510, 800332), (520, 784941), (663, 615640), (680, 600249), (780, 523294), (884, 461730), (1020, 400166), (1105, 369384), (1326, 307820), (1560, 261647), (1768, 230865), (2040, 200083), (2210, 184692), (2652, 153910), (3315, 123128), (4420, 92346), (5304, 76955), (6630, 61564), (8840, 46173), (13260, 30782), (15391, 26520)]