28445520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 94101120

約数和(自身を除く): 65655600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 61, 67, 80, 87, 116, 120, 122, 134, 145, 174, 183, 201, 232, 240, 244, 268, 290, 305, 335, 348, 366, 402, 435, 464, 488, 536, 580, 610, 670, 696, 732, 804, 870, 915, 976, 1005, 1072, 1160, 1220, 1340, 1392, 1464, 1608, 1740, 1769, 1830, 1943, 2010, 2320, 2440, 2680, 2928, 3216, 3480, 3538, 3660, 3886, 4020, 4087, 4880, 5307, 5360, 5829, 6960, 7076, 7320, 7772, 8040, 8174, 8845, 9715, 10614, 11658, 12261, 14152, 14640, 15544, 16080, 16348, 17690, 19430, 20435, 21228, 23316, 24522, 26535, 28304, 29145, 31088, 32696, 35380, 38860, 40870, 42456, 46632, 49044, 53070, 58290, 61305, 65392, 70760, 77720, 81740, 84912, 93264, 98088, 106140, 116580, 118523, 122610, 141520, 155440, 163480, 196176, 212280, 233160, 237046, 245220, 326960, 355569, 424560, 466320, 474092, 490440, 592615, 711138, 948184, 980880, 1185230, 1422276, 1777845, 1896368, 2370460, 2844552, 3555690, 4740920, 5689104, 7111380, 9481840, 14222760, 28445520]

約数ペア:

[(1, 28445520), (2, 14222760), (3, 9481840), (4, 7111380), (5, 5689104), (6, 4740920), (8, 3555690), (10, 2844552), (12, 2370460), (15, 1896368), (16, 1777845), (20, 1422276), (24, 1185230), (29, 980880), (30, 948184), (40, 711138), (48, 592615), (58, 490440), (60, 474092), (61, 466320), (67, 424560), (80, 355569), (87, 326960), (116, 245220), (120, 237046), (122, 233160), (134, 212280), (145, 196176), (174, 163480), (183, 155440), (201, 141520), (232, 122610), (240, 118523), (244, 116580), (268, 106140), (290, 98088), (305, 93264), (335, 84912), (348, 81740), (366, 77720), (402, 70760), (435, 65392), (464, 61305), (488, 58290), (536, 53070), (580, 49044), (610, 46632), (670, 42456), (696, 40870), (732, 38860), (804, 35380), (870, 32696), (915, 31088), (976, 29145), (1005, 28304), (1072, 26535), (1160, 24522), (1220, 23316), (1340, 21228), (1392, 20435), (1464, 19430), (1608, 17690), (1740, 16348), (1769, 16080), (1830, 15544), (1943, 14640), (2010, 14152), (2320, 12261), (2440, 11658), (2680, 10614), (2928, 9715), (3216, 8845), (3480, 8174), (3538, 8040), (3660, 7772), (3886, 7320), (4020, 7076), (4087, 6960), (4880, 5829), (5307, 5360)]