28103880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33457}}^1$

素因数の和:33478

約数の個数: 64

約数和(自身を含む): 96359040

約数和(自身を除く): 68255160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33457, 66914, 100371, 133828, 167285, 200742, 234199, 267656, 334570, 401484, 468398, 501855, 669140, 702597, 802968, 936796, 1003710, 1170995, 1338280, 1405194, 1873592, 2007420, 2341990, 2810388, 3512985, 4014840, 4683980, 5620776, 7025970, 9367960, 14051940, 28103880]

約数ペア:

[(1, 28103880), (2, 14051940), (3, 9367960), (4, 7025970), (5, 5620776), (6, 4683980), (7, 4014840), (8, 3512985), (10, 2810388), (12, 2341990), (14, 2007420), (15, 1873592), (20, 1405194), (21, 1338280), (24, 1170995), (28, 1003710), (30, 936796), (35, 802968), (40, 702597), (42, 669140), (56, 501855), (60, 468398), (70, 401484), (84, 334570), (105, 267656), (120, 234199), (140, 200742), (168, 167285), (210, 133828), (280, 100371), (420, 66914), (840, 33457)]