865163880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4703}}^1$

素因数の和:4800

約数の個数: 192

約数和(自身を含む): 3258178560

約数和(自身を除く): 2393014680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 73, 84, 90, 105, 120, 126, 140, 146, 168, 180, 210, 219, 252, 280, 292, 315, 360, 365, 420, 438, 504, 511, 584, 630, 657, 730, 840, 876, 1022, 1095, 1260, 1314, 1460, 1533, 1752, 2044, 2190, 2520, 2555, 2628, 2920, 3066, 3285, 4088, 4380, 4599, 4703, 5110, 5256, 6132, 6570, 7665, 8760, 9198, 9406, 10220, 12264, 13140, 14109, 15330, 18396, 18812, 20440, 22995, 23515, 26280, 28218, 30660, 32921, 36792, 37624, 42327, 45990, 47030, 56436, 61320, 65842, 70545, 84654, 91980, 94060, 98763, 112872, 131684, 141090, 164605, 169308, 183960, 188120, 197526, 211635, 263368, 282180, 296289, 329210, 338616, 343319, 395052, 423270, 493815, 564360, 592578, 658420, 686638, 790104, 846540, 987630, 1029957, 1185156, 1316840, 1373276, 1481445, 1693080, 1716595, 1975260, 2059914, 2370312, 2403233, 2746552, 2962890, 3089871, 3433190, 3950520, 4119828, 4806466, 5149785, 5925780, 6179742, 6866380, 7209699, 8239656, 9612932, 10299570, 11851560, 12016165, 12359484, 13732760, 14419398, 15449355, 19225864, 20599140, 21629097, 24032330, 24718968, 28838796, 30898710, 36048495, 41198280, 43258194, 48064660, 57677592, 61797420, 72096990, 86516388, 96129320, 108145485, 123594840, 144193980, 173032776, 216290970, 288387960, 432581940, 865163880]

約数ペア:

[(1, 865163880), (2, 432581940), (3, 288387960), (4, 216290970), (5, 173032776), (6, 144193980), (7, 123594840), (8, 108145485), (9, 96129320), (10, 86516388), (12, 72096990), (14, 61797420), (15, 57677592), (18, 48064660), (20, 43258194), (21, 41198280), (24, 36048495), (28, 30898710), (30, 28838796), (35, 24718968), (36, 24032330), (40, 21629097), (42, 20599140), (45, 19225864), (56, 15449355), (60, 14419398), (63, 13732760), (70, 12359484), (72, 12016165), (73, 11851560), (84, 10299570), (90, 9612932), (105, 8239656), (120, 7209699), (126, 6866380), (140, 6179742), (146, 5925780), (168, 5149785), (180, 4806466), (210, 4119828), (219, 3950520), (252, 3433190), (280, 3089871), (292, 2962890), (315, 2746552), (360, 2403233), (365, 2370312), (420, 2059914), (438, 1975260), (504, 1716595), (511, 1693080), (584, 1481445), (630, 1373276), (657, 1316840), (730, 1185156), (840, 1029957), (876, 987630), (1022, 846540), (1095, 790104), (1260, 686638), (1314, 658420), (1460, 592578), (1533, 564360), (1752, 493815), (2044, 423270), (2190, 395052), (2520, 343319), (2555, 338616), (2628, 329210), (2920, 296289), (3066, 282180), (3285, 263368), (4088, 211635), (4380, 197526), (4599, 188120), (4703, 183960), (5110, 169308), (5256, 164605), (6132, 141090), (6570, 131684), (7665, 112872), (8760, 98763), (9198, 94060), (9406, 91980), (10220, 84654), (12264, 70545), (13140, 65842), (14109, 61320), (15330, 56436), (18396, 47030), (18812, 45990), (20440, 42327), (22995, 37624), (23515, 36792), (26280, 32921), (28218, 30660)]