402801240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:661

約数の個数: 128

約数和(自身を含む): 1249421760

約数和(自身を除く): 846620520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 257, 296, 353, 370, 444, 514, 555, 706, 740, 771, 888, 1028, 1059, 1110, 1285, 1412, 1480, 1542, 1765, 2056, 2118, 2220, 2570, 2824, 3084, 3530, 3855, 4236, 4440, 5140, 5295, 6168, 7060, 7710, 8472, 9509, 10280, 10590, 13061, 14120, 15420, 19018, 21180, 26122, 28527, 30840, 38036, 39183, 42360, 47545, 52244, 57054, 65305, 76072, 78366, 90721, 95090, 104488, 114108, 130610, 142635, 156732, 181442, 190180, 195915, 228216, 261220, 272163, 285270, 313464, 362884, 380360, 391830, 453605, 522440, 544326, 570540, 725768, 783660, 907210, 1088652, 1141080, 1360815, 1567320, 1814420, 2177304, 2721630, 3356677, 3628840, 5443260, 6713354, 10070031, 10886520, 13426708, 16783385, 20140062, 26853416, 33566770, 40280124, 50350155, 67133540, 80560248, 100700310, 134267080, 201400620, 402801240]

約数ペア:

[(1, 402801240), (2, 201400620), (3, 134267080), (4, 100700310), (5, 80560248), (6, 67133540), (8, 50350155), (10, 40280124), (12, 33566770), (15, 26853416), (20, 20140062), (24, 16783385), (30, 13426708), (37, 10886520), (40, 10070031), (60, 6713354), (74, 5443260), (111, 3628840), (120, 3356677), (148, 2721630), (185, 2177304), (222, 1814420), (257, 1567320), (296, 1360815), (353, 1141080), (370, 1088652), (444, 907210), (514, 783660), (555, 725768), (706, 570540), (740, 544326), (771, 522440), (888, 453605), (1028, 391830), (1059, 380360), (1110, 362884), (1285, 313464), (1412, 285270), (1480, 272163), (1542, 261220), (1765, 228216), (2056, 195915), (2118, 190180), (2220, 181442), (2570, 156732), (2824, 142635), (3084, 130610), (3530, 114108), (3855, 104488), (4236, 95090), (4440, 90721), (5140, 78366), (5295, 76072), (6168, 65305), (7060, 57054), (7710, 52244), (8472, 47545), (9509, 42360), (10280, 39183), (10590, 38036), (13061, 30840), (14120, 28527), (15420, 26122), (19018, 21180)]