61860540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 205807392

約数和(自身を除く): 143946852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 397, 420, 490, 530, 588, 636, 735, 742, 794, 795, 980, 1060, 1113, 1191, 1470, 1484, 1588, 1590, 1855, 1985, 2226, 2382, 2597, 2779, 2940, 3180, 3710, 3970, 4452, 4764, 5194, 5558, 5565, 5955, 7420, 7791, 7940, 8337, 10388, 11116, 11130, 11910, 12985, 13895, 15582, 16674, 19453, 21041, 22260, 23820, 25970, 27790, 31164, 33348, 38906, 38955, 41685, 42082, 51940, 55580, 58359, 63123, 77812, 77910, 83370, 84164, 97265, 105205, 116718, 126246, 147287, 155820, 166740, 194530, 210410, 233436, 252492, 291795, 294574, 315615, 389060, 420820, 441861, 583590, 589148, 631230, 736435, 883722, 1031009, 1167180, 1262460, 1472870, 1767444, 2062018, 2209305, 2945740, 3093027, 4124036, 4418610, 5155045, 6186054, 8837220, 10310090, 12372108, 15465135, 20620180, 30930270, 61860540]

約数ペア:

[(1, 61860540), (2, 30930270), (3, 20620180), (4, 15465135), (5, 12372108), (6, 10310090), (7, 8837220), (10, 6186054), (12, 5155045), (14, 4418610), (15, 4124036), (20, 3093027), (21, 2945740), (28, 2209305), (30, 2062018), (35, 1767444), (42, 1472870), (49, 1262460), (53, 1167180), (60, 1031009), (70, 883722), (84, 736435), (98, 631230), (105, 589148), (106, 583590), (140, 441861), (147, 420820), (159, 389060), (196, 315615), (210, 294574), (212, 291795), (245, 252492), (265, 233436), (294, 210410), (318, 194530), (371, 166740), (397, 155820), (420, 147287), (490, 126246), (530, 116718), (588, 105205), (636, 97265), (735, 84164), (742, 83370), (794, 77910), (795, 77812), (980, 63123), (1060, 58359), (1113, 55580), (1191, 51940), (1470, 42082), (1484, 41685), (1588, 38955), (1590, 38906), (1855, 33348), (1985, 31164), (2226, 27790), (2382, 25970), (2597, 23820), (2779, 22260), (2940, 21041), (3180, 19453), (3710, 16674), (3970, 15582), (4452, 13895), (4764, 12985), (5194, 11910), (5558, 11130), (5565, 11116), (5955, 10388), (7420, 8337), (7791, 7940)]