161765440

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 415503360

約数和(自身を除く): 253737920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 155, 160, 184, 230, 248, 310, 320, 368, 460, 496, 620, 709, 713, 736, 920, 992, 1240, 1418, 1426, 1472, 1840, 1984, 2480, 2836, 2852, 3545, 3565, 3680, 4960, 5672, 5704, 7090, 7130, 7360, 9920, 11344, 11408, 14180, 14260, 16307, 21979, 22688, 22816, 28360, 28520, 32614, 43958, 45376, 45632, 56720, 57040, 65228, 81535, 87916, 109895, 113440, 114080, 130456, 163070, 175832, 219790, 226880, 228160, 260912, 326140, 351664, 439580, 505517, 521824, 652280, 703328, 879160, 1011034, 1043648, 1304560, 1406656, 1758320, 2022068, 2527585, 2609120, 3516640, 4044136, 5055170, 5218240, 7033280, 8088272, 10110340, 16176544, 20220680, 32353088, 40441360, 80882720, 161765440]

約数ペア:

[(1, 161765440), (2, 80882720), (4, 40441360), (5, 32353088), (8, 20220680), (10, 16176544), (16, 10110340), (20, 8088272), (23, 7033280), (31, 5218240), (32, 5055170), (40, 4044136), (46, 3516640), (62, 2609120), (64, 2527585), (80, 2022068), (92, 1758320), (115, 1406656), (124, 1304560), (155, 1043648), (160, 1011034), (184, 879160), (230, 703328), (248, 652280), (310, 521824), (320, 505517), (368, 439580), (460, 351664), (496, 326140), (620, 260912), (709, 228160), (713, 226880), (736, 219790), (920, 175832), (992, 163070), (1240, 130456), (1418, 114080), (1426, 113440), (1472, 109895), (1840, 87916), (1984, 81535), (2480, 65228), (2836, 57040), (2852, 56720), (3545, 45632), (3565, 45376), (3680, 43958), (4960, 32614), (5672, 28520), (5704, 28360), (7090, 22816), (7130, 22688), (7360, 21979), (9920, 16307), (11344, 14260), (11408, 14180)]