207537540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{967}}^1$

素因数の和:1066

約数の個数: 144

約数和(自身を含む): 685948032

約数和(自身を除く): 478410492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 876, 967, 980, 1022, 1095, 1460, 1470, 1533, 1934, 2044, 2190, 2555, 2901, 2940, 3066, 3577, 3868, 4380, 4835, 5110, 5802, 6132, 6769, 7154, 7665, 9670, 10220, 10731, 11604, 13538, 14308, 14505, 15330, 17885, 19340, 20307, 21462, 27076, 29010, 30660, 33845, 35770, 40614, 42924, 47383, 53655, 58020, 67690, 70591, 71540, 81228, 94766, 101535, 107310, 135380, 141182, 142149, 189532, 203070, 211773, 214620, 236915, 282364, 284298, 352955, 406140, 423546, 473830, 494137, 568596, 705910, 710745, 847092, 947660, 988274, 1058865, 1411820, 1421490, 1482411, 1976548, 2117730, 2470685, 2842980, 2964822, 3458959, 4235460, 4941370, 5929644, 6917918, 7412055, 9882740, 10376877, 13835836, 14824110, 17294795, 20753754, 29648220, 34589590, 41507508, 51884385, 69179180, 103768770, 207537540]

約数ペア:

[(1, 207537540), (2, 103768770), (3, 69179180), (4, 51884385), (5, 41507508), (6, 34589590), (7, 29648220), (10, 20753754), (12, 17294795), (14, 14824110), (15, 13835836), (20, 10376877), (21, 9882740), (28, 7412055), (30, 6917918), (35, 5929644), (42, 4941370), (49, 4235460), (60, 3458959), (70, 2964822), (73, 2842980), (84, 2470685), (98, 2117730), (105, 1976548), (140, 1482411), (146, 1421490), (147, 1411820), (196, 1058865), (210, 988274), (219, 947660), (245, 847092), (292, 710745), (294, 705910), (365, 568596), (420, 494137), (438, 473830), (490, 423546), (511, 406140), (588, 352955), (730, 284298), (735, 282364), (876, 236915), (967, 214620), (980, 211773), (1022, 203070), (1095, 189532), (1460, 142149), (1470, 141182), (1533, 135380), (1934, 107310), (2044, 101535), (2190, 94766), (2555, 81228), (2901, 71540), (2940, 70591), (3066, 67690), (3577, 58020), (3868, 53655), (4380, 47383), (4835, 42924), (5110, 40614), (5802, 35770), (6132, 33845), (6769, 30660), (7154, 29010), (7665, 27076), (9670, 21462), (10220, 20307), (10731, 19340), (11604, 17885), (13538, 15330), (14308, 14505)]