28218120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{4799}}^1$

素因数の和:4827

約数の個数: 96

約数和(自身を含む): 98496000

約数和(自身を除く): 70277880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 4799, 5880, 9598, 14397, 19196, 23995, 28794, 33593, 38392, 47990, 57588, 67186, 71985, 95980, 100779, 115176, 134372, 143970, 167965, 191960, 201558, 235151, 268744, 287940, 335930, 403116, 470302, 503895, 575880, 671860, 705453, 806232, 940604, 1007790, 1175755, 1343720, 1410906, 1881208, 2015580, 2351510, 2821812, 3527265, 4031160, 4703020, 5643624, 7054530, 9406040, 14109060, 28218120]

約数ペア:

[(1, 28218120), (2, 14109060), (3, 9406040), (4, 7054530), (5, 5643624), (6, 4703020), (7, 4031160), (8, 3527265), (10, 2821812), (12, 2351510), (14, 2015580), (15, 1881208), (20, 1410906), (21, 1343720), (24, 1175755), (28, 1007790), (30, 940604), (35, 806232), (40, 705453), (42, 671860), (49, 575880), (56, 503895), (60, 470302), (70, 403116), (84, 335930), (98, 287940), (105, 268744), (120, 235151), (140, 201558), (147, 191960), (168, 167965), (196, 143970), (210, 134372), (245, 115176), (280, 100779), (294, 95980), (392, 71985), (420, 67186), (490, 57588), (588, 47990), (735, 38392), (840, 33593), (980, 28794), (1176, 23995), (1470, 19196), (1960, 14397), (2940, 9598), (4799, 5880)]