648710160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20323}}^1$

素因数の和:20365

約数の個数: 160

約数和(自身を含む): 2419368960

約数和(自身を除く): 1770658800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2660, 3192, 3990, 4560, 5320, 6384, 7980, 10640, 15960, 20323, 31920, 40646, 60969, 81292, 101615, 121938, 142261, 162584, 203230, 243876, 284522, 304845, 325168, 386137, 406460, 426783, 487752, 569044, 609690, 711305, 772274, 812920, 853566, 975504, 1138088, 1158411, 1219380, 1422610, 1544548, 1625840, 1707132, 1930685, 2133915, 2276176, 2316822, 2438760, 2702959, 2845220, 3089096, 3414264, 3861370, 4267830, 4633644, 4877520, 5405918, 5690440, 5792055, 6178192, 6828528, 7722740, 8108877, 8535660, 9267288, 10811836, 11380880, 11584110, 13514795, 15445480, 16217754, 17071320, 18534576, 21623672, 23168220, 27029590, 30890960, 32435508, 34142640, 40544385, 43247344, 46336440, 54059180, 64871016, 81088770, 92672880, 108118360, 129742032, 162177540, 216236720, 324355080, 648710160]

約数ペア:

[(1, 648710160), (2, 324355080), (3, 216236720), (4, 162177540), (5, 129742032), (6, 108118360), (7, 92672880), (8, 81088770), (10, 64871016), (12, 54059180), (14, 46336440), (15, 43247344), (16, 40544385), (19, 34142640), (20, 32435508), (21, 30890960), (24, 27029590), (28, 23168220), (30, 21623672), (35, 18534576), (38, 17071320), (40, 16217754), (42, 15445480), (48, 13514795), (56, 11584110), (57, 11380880), (60, 10811836), (70, 9267288), (76, 8535660), (80, 8108877), (84, 7722740), (95, 6828528), (105, 6178192), (112, 5792055), (114, 5690440), (120, 5405918), (133, 4877520), (140, 4633644), (152, 4267830), (168, 3861370), (190, 3414264), (210, 3089096), (228, 2845220), (240, 2702959), (266, 2438760), (280, 2316822), (285, 2276176), (304, 2133915), (336, 1930685), (380, 1707132), (399, 1625840), (420, 1544548), (456, 1422610), (532, 1219380), (560, 1158411), (570, 1138088), (665, 975504), (760, 853566), (798, 812920), (840, 772274), (912, 711305), (1064, 609690), (1140, 569044), (1330, 487752), (1520, 426783), (1596, 406460), (1680, 386137), (1995, 325168), (2128, 304845), (2280, 284522), (2660, 243876), (3192, 203230), (3990, 162584), (4560, 142261), (5320, 121938), (6384, 101615), (7980, 81292), (10640, 60969), (15960, 40646), (20323, 31920)]