71604240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 232116096

約数和(自身を除く): 160511856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 67, 73, 80, 120, 122, 134, 146, 183, 201, 219, 240, 244, 268, 292, 305, 335, 365, 366, 402, 438, 488, 536, 584, 610, 670, 730, 732, 804, 876, 915, 976, 1005, 1072, 1095, 1168, 1220, 1340, 1460, 1464, 1608, 1752, 1830, 2010, 2190, 2440, 2680, 2920, 2928, 3216, 3504, 3660, 4020, 4087, 4380, 4453, 4880, 4891, 5360, 5840, 7320, 8040, 8174, 8760, 8906, 9782, 12261, 13359, 14640, 14673, 16080, 16348, 17520, 17812, 19564, 20435, 22265, 24455, 24522, 26718, 29346, 32696, 35624, 39128, 40870, 44530, 48910, 49044, 53436, 58692, 61305, 65392, 66795, 71248, 73365, 78256, 81740, 89060, 97820, 98088, 106872, 117384, 122610, 133590, 146730, 163480, 178120, 195640, 196176, 213744, 234768, 245220, 267180, 293460, 298351, 326960, 356240, 391280, 490440, 534360, 586920, 596702, 895053, 980880, 1068720, 1173840, 1193404, 1491755, 1790106, 2386808, 2983510, 3580212, 4475265, 4773616, 5967020, 7160424, 8950530, 11934040, 14320848, 17901060, 23868080, 35802120, 71604240]

約数ペア:

[(1, 71604240), (2, 35802120), (3, 23868080), (4, 17901060), (5, 14320848), (6, 11934040), (8, 8950530), (10, 7160424), (12, 5967020), (15, 4773616), (16, 4475265), (20, 3580212), (24, 2983510), (30, 2386808), (40, 1790106), (48, 1491755), (60, 1193404), (61, 1173840), (67, 1068720), (73, 980880), (80, 895053), (120, 596702), (122, 586920), (134, 534360), (146, 490440), (183, 391280), (201, 356240), (219, 326960), (240, 298351), (244, 293460), (268, 267180), (292, 245220), (305, 234768), (335, 213744), (365, 196176), (366, 195640), (402, 178120), (438, 163480), (488, 146730), (536, 133590), (584, 122610), (610, 117384), (670, 106872), (730, 98088), (732, 97820), (804, 89060), (876, 81740), (915, 78256), (976, 73365), (1005, 71248), (1072, 66795), (1095, 65392), (1168, 61305), (1220, 58692), (1340, 53436), (1460, 49044), (1464, 48910), (1608, 44530), (1752, 40870), (1830, 39128), (2010, 35624), (2190, 32696), (2440, 29346), (2680, 26718), (2920, 24522), (2928, 24455), (3216, 22265), (3504, 20435), (3660, 19564), (4020, 17812), (4087, 17520), (4380, 16348), (4453, 16080), (4880, 14673), (4891, 14640), (5360, 13359), (5840, 12261), (7320, 9782), (8040, 8906), (8174, 8760)]