15684880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 25026800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 607, 646, 680, 760, 1214, 1292, 1360, 1520, 1615, 2428, 2584, 3035, 3230, 4856, 5168, 6070, 6460, 9712, 10319, 11533, 12140, 12920, 20638, 23066, 24280, 25840, 41276, 46132, 48560, 51595, 57665, 82552, 92264, 103190, 115330, 165104, 184528, 196061, 206380, 230660, 392122, 412760, 461320, 784244, 825520, 922640, 980305, 1568488, 1960610, 3136976, 3921220, 7842440, 15684880]

約数ペア:

[(1, 15684880), (2, 7842440), (4, 3921220), (5, 3136976), (8, 1960610), (10, 1568488), (16, 980305), (17, 922640), (19, 825520), (20, 784244), (34, 461320), (38, 412760), (40, 392122), (68, 230660), (76, 206380), (80, 196061), (85, 184528), (95, 165104), (136, 115330), (152, 103190), (170, 92264), (190, 82552), (272, 57665), (304, 51595), (323, 48560), (340, 46132), (380, 41276), (607, 25840), (646, 24280), (680, 23066), (760, 20638), (1214, 12920), (1292, 12140), (1360, 11533), (1520, 10319), (1615, 9712), (2428, 6460), (2584, 6070), (3035, 5168), (3230, 4856)]