305431080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1371

約数の個数: 128

約数和(自身を含む): 974160000

約数和(自身を除く): 668728920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 109, 114, 120, 152, 190, 218, 228, 285, 327, 380, 436, 456, 545, 570, 654, 760, 872, 1090, 1140, 1229, 1308, 1635, 2071, 2180, 2280, 2458, 2616, 3270, 3687, 4142, 4360, 4916, 6145, 6213, 6540, 7374, 8284, 9832, 10355, 12290, 12426, 13080, 14748, 16568, 18435, 20710, 23351, 24580, 24852, 29496, 31065, 36870, 41420, 46702, 49160, 49704, 62130, 70053, 73740, 82840, 93404, 116755, 124260, 133961, 140106, 147480, 186808, 233510, 248520, 267922, 280212, 350265, 401883, 467020, 535844, 560424, 669805, 700530, 803766, 934040, 1071688, 1339610, 1401060, 1607532, 2009415, 2545259, 2679220, 2802120, 3215064, 4018830, 5090518, 5358440, 7635777, 8037660, 10181036, 12726295, 15271554, 16075320, 20362072, 25452590, 30543108, 38178885, 50905180, 61086216, 76357770, 101810360, 152715540, 305431080]

約数ペア:

[(1, 305431080), (2, 152715540), (3, 101810360), (4, 76357770), (5, 61086216), (6, 50905180), (8, 38178885), (10, 30543108), (12, 25452590), (15, 20362072), (19, 16075320), (20, 15271554), (24, 12726295), (30, 10181036), (38, 8037660), (40, 7635777), (57, 5358440), (60, 5090518), (76, 4018830), (95, 3215064), (109, 2802120), (114, 2679220), (120, 2545259), (152, 2009415), (190, 1607532), (218, 1401060), (228, 1339610), (285, 1071688), (327, 934040), (380, 803766), (436, 700530), (456, 669805), (545, 560424), (570, 535844), (654, 467020), (760, 401883), (872, 350265), (1090, 280212), (1140, 267922), (1229, 248520), (1308, 233510), (1635, 186808), (2071, 147480), (2180, 140106), (2280, 133961), (2458, 124260), (2616, 116755), (3270, 93404), (3687, 82840), (4142, 73740), (4360, 70053), (4916, 62130), (6145, 49704), (6213, 49160), (6540, 46702), (7374, 41420), (8284, 36870), (9832, 31065), (10355, 29496), (12290, 24852), (12426, 24580), (13080, 23351), (14748, 20710), (16568, 18435)]