4991220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 17122560

約数和(自身を除く): 12131340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 79, 81, 90, 108, 117, 130, 135, 156, 158, 162, 180, 195, 234, 237, 243, 260, 270, 316, 324, 351, 390, 395, 405, 468, 474, 486, 540, 585, 702, 711, 780, 790, 810, 948, 972, 1027, 1053, 1170, 1185, 1215, 1404, 1422, 1580, 1620, 1755, 2054, 2106, 2133, 2340, 2370, 2430, 2844, 3081, 3159, 3510, 3555, 4108, 4212, 4266, 4740, 4860, 5135, 5265, 6162, 6318, 6399, 7020, 7110, 8532, 9243, 10270, 10530, 10665, 12324, 12636, 12798, 14220, 15405, 15795, 18486, 19197, 20540, 21060, 21330, 25596, 27729, 30810, 31590, 31995, 36972, 38394, 42660, 46215, 55458, 61620, 63180, 63990, 76788, 83187, 92430, 95985, 110916, 127980, 138645, 166374, 184860, 191970, 249561, 277290, 332748, 383940, 415935, 499122, 554580, 831870, 998244, 1247805, 1663740, 2495610, 4991220]

約数ペア:

[(1, 4991220), (2, 2495610), (3, 1663740), (4, 1247805), (5, 998244), (6, 831870), (9, 554580), (10, 499122), (12, 415935), (13, 383940), (15, 332748), (18, 277290), (20, 249561), (26, 191970), (27, 184860), (30, 166374), (36, 138645), (39, 127980), (45, 110916), (52, 95985), (54, 92430), (60, 83187), (65, 76788), (78, 63990), (79, 63180), (81, 61620), (90, 55458), (108, 46215), (117, 42660), (130, 38394), (135, 36972), (156, 31995), (158, 31590), (162, 30810), (180, 27729), (195, 25596), (234, 21330), (237, 21060), (243, 20540), (260, 19197), (270, 18486), (316, 15795), (324, 15405), (351, 14220), (390, 12798), (395, 12636), (405, 12324), (468, 10665), (474, 10530), (486, 10270), (540, 9243), (585, 8532), (702, 7110), (711, 7020), (780, 6399), (790, 6318), (810, 6162), (948, 5265), (972, 5135), (1027, 4860), (1053, 4740), (1170, 4266), (1185, 4212), (1215, 4108), (1404, 3555), (1422, 3510), (1580, 3159), (1620, 3081), (1755, 2844), (2054, 2430), (2106, 2370), (2133, 2340)]