25723980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 83166720

約数和(自身を除く): 57442740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 79, 81, 90, 108, 134, 135, 158, 162, 180, 201, 237, 243, 268, 270, 316, 324, 335, 395, 402, 405, 474, 486, 540, 603, 670, 711, 790, 804, 810, 948, 972, 1005, 1185, 1206, 1215, 1340, 1422, 1580, 1620, 1809, 2010, 2133, 2370, 2412, 2430, 2844, 3015, 3555, 3618, 4020, 4266, 4740, 4860, 5293, 5427, 6030, 6399, 7110, 7236, 8532, 9045, 10586, 10665, 10854, 12060, 12798, 14220, 15879, 16281, 18090, 19197, 21172, 21330, 21708, 25596, 26465, 27135, 31758, 31995, 32562, 36180, 38394, 42660, 47637, 52930, 54270, 63516, 63990, 65124, 76788, 79395, 81405, 95274, 95985, 105860, 108540, 127980, 142911, 158790, 162810, 190548, 191970, 238185, 285822, 317580, 325620, 383940, 428733, 476370, 571644, 714555, 857466, 952740, 1286199, 1429110, 1714932, 2143665, 2572398, 2858220, 4287330, 5144796, 6430995, 8574660, 12861990, 25723980]

約数ペア:

[(1, 25723980), (2, 12861990), (3, 8574660), (4, 6430995), (5, 5144796), (6, 4287330), (9, 2858220), (10, 2572398), (12, 2143665), (15, 1714932), (18, 1429110), (20, 1286199), (27, 952740), (30, 857466), (36, 714555), (45, 571644), (54, 476370), (60, 428733), (67, 383940), (79, 325620), (81, 317580), (90, 285822), (108, 238185), (134, 191970), (135, 190548), (158, 162810), (162, 158790), (180, 142911), (201, 127980), (237, 108540), (243, 105860), (268, 95985), (270, 95274), (316, 81405), (324, 79395), (335, 76788), (395, 65124), (402, 63990), (405, 63516), (474, 54270), (486, 52930), (540, 47637), (603, 42660), (670, 38394), (711, 36180), (790, 32562), (804, 31995), (810, 31758), (948, 27135), (972, 26465), (1005, 25596), (1185, 21708), (1206, 21330), (1215, 21172), (1340, 19197), (1422, 18090), (1580, 16281), (1620, 15879), (1809, 14220), (2010, 12798), (2133, 12060), (2370, 10854), (2412, 10665), (2430, 10586), (2844, 9045), (3015, 8532), (3555, 7236), (3618, 7110), (4020, 6399), (4266, 6030), (4740, 5427), (4860, 5293)]