1611960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 5875200

約数和(自身を除く): 4263240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 101, 105, 114, 120, 133, 140, 152, 168, 190, 202, 210, 228, 266, 280, 285, 303, 380, 399, 404, 420, 456, 505, 532, 570, 606, 665, 707, 760, 798, 808, 840, 1010, 1064, 1140, 1212, 1330, 1414, 1515, 1596, 1919, 1995, 2020, 2121, 2280, 2424, 2660, 2828, 3030, 3192, 3535, 3838, 3990, 4040, 4242, 5320, 5656, 5757, 6060, 7070, 7676, 7980, 8484, 9595, 10605, 11514, 12120, 13433, 14140, 15352, 15960, 16968, 19190, 21210, 23028, 26866, 28280, 28785, 38380, 40299, 42420, 46056, 53732, 57570, 67165, 76760, 80598, 84840, 107464, 115140, 134330, 161196, 201495, 230280, 268660, 322392, 402990, 537320, 805980, 1611960]

約数ペア:

[(1, 1611960), (2, 805980), (3, 537320), (4, 402990), (5, 322392), (6, 268660), (7, 230280), (8, 201495), (10, 161196), (12, 134330), (14, 115140), (15, 107464), (19, 84840), (20, 80598), (21, 76760), (24, 67165), (28, 57570), (30, 53732), (35, 46056), (38, 42420), (40, 40299), (42, 38380), (56, 28785), (57, 28280), (60, 26866), (70, 23028), (76, 21210), (84, 19190), (95, 16968), (101, 15960), (105, 15352), (114, 14140), (120, 13433), (133, 12120), (140, 11514), (152, 10605), (168, 9595), (190, 8484), (202, 7980), (210, 7676), (228, 7070), (266, 6060), (280, 5757), (285, 5656), (303, 5320), (380, 4242), (399, 4040), (404, 3990), (420, 3838), (456, 3535), (505, 3192), (532, 3030), (570, 2828), (606, 2660), (665, 2424), (707, 2280), (760, 2121), (798, 2020), (808, 1995), (840, 1919), (1010, 1596), (1064, 1515), (1140, 1414), (1212, 1330)]