189868920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 607875840

約数和(自身を除く): 418006920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 163, 170, 204, 255, 326, 340, 408, 489, 510, 571, 652, 680, 815, 978, 1020, 1142, 1304, 1630, 1713, 1956, 2040, 2284, 2445, 2771, 2855, 3260, 3426, 3912, 4568, 4890, 5542, 5710, 6520, 6852, 8313, 8565, 9707, 9780, 11084, 11420, 13704, 13855, 16626, 17130, 19414, 19560, 22168, 22840, 27710, 29121, 33252, 34260, 38828, 41565, 48535, 55420, 58242, 66504, 68520, 77656, 83130, 93073, 97070, 110840, 116484, 145605, 166260, 186146, 194140, 232968, 279219, 291210, 332520, 372292, 388280, 465365, 558438, 582420, 744584, 930730, 1116876, 1164840, 1396095, 1582241, 1861460, 2233752, 2792190, 3164482, 3722920, 4746723, 5584380, 6328964, 7911205, 9493446, 11168760, 12657928, 15822410, 18986892, 23733615, 31644820, 37973784, 47467230, 63289640, 94934460, 189868920]

約数ペア:

[(1, 189868920), (2, 94934460), (3, 63289640), (4, 47467230), (5, 37973784), (6, 31644820), (8, 23733615), (10, 18986892), (12, 15822410), (15, 12657928), (17, 11168760), (20, 9493446), (24, 7911205), (30, 6328964), (34, 5584380), (40, 4746723), (51, 3722920), (60, 3164482), (68, 2792190), (85, 2233752), (102, 1861460), (120, 1582241), (136, 1396095), (163, 1164840), (170, 1116876), (204, 930730), (255, 744584), (326, 582420), (340, 558438), (408, 465365), (489, 388280), (510, 372292), (571, 332520), (652, 291210), (680, 279219), (815, 232968), (978, 194140), (1020, 186146), (1142, 166260), (1304, 145605), (1630, 116484), (1713, 110840), (1956, 97070), (2040, 93073), (2284, 83130), (2445, 77656), (2771, 68520), (2855, 66504), (3260, 58242), (3426, 55420), (3912, 48535), (4568, 41565), (4890, 38828), (5542, 34260), (5710, 33252), (6520, 29121), (6852, 27710), (8313, 22840), (8565, 22168), (9707, 19560), (9780, 19414), (11084, 17130), (11420, 16626), (13704, 13855)]