251567160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1389

約数の個数: 128

約数和(自身を含む): 819624960

約数和(自身を除く): 568057800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 1048, 1231, 1310, 1560, 1572, 1703, 1965, 2462, 2620, 3144, 3406, 3693, 3930, 4924, 5109, 5240, 6155, 6812, 7386, 7860, 8515, 9848, 10218, 12310, 13624, 14772, 15720, 16003, 17030, 18465, 20436, 24620, 25545, 29544, 32006, 34060, 36930, 40872, 48009, 49240, 51090, 64012, 68120, 73860, 80015, 96018, 102180, 128024, 147720, 160030, 161261, 192036, 204360, 240045, 320060, 322522, 384072, 480090, 483783, 640120, 645044, 806305, 960180, 967566, 1290088, 1612610, 1920360, 1935132, 2096393, 2418915, 3225220, 3870264, 4192786, 4837830, 6289179, 6450440, 8385572, 9675660, 10481965, 12578358, 16771144, 19351320, 20963930, 25156716, 31445895, 41927860, 50313432, 62891790, 83855720, 125783580, 251567160]

約数ペア:

[(1, 251567160), (2, 125783580), (3, 83855720), (4, 62891790), (5, 50313432), (6, 41927860), (8, 31445895), (10, 25156716), (12, 20963930), (13, 19351320), (15, 16771144), (20, 12578358), (24, 10481965), (26, 9675660), (30, 8385572), (39, 6450440), (40, 6289179), (52, 4837830), (60, 4192786), (65, 3870264), (78, 3225220), (104, 2418915), (120, 2096393), (130, 1935132), (131, 1920360), (156, 1612610), (195, 1290088), (260, 967566), (262, 960180), (312, 806305), (390, 645044), (393, 640120), (520, 483783), (524, 480090), (655, 384072), (780, 322522), (786, 320060), (1048, 240045), (1231, 204360), (1310, 192036), (1560, 161261), (1572, 160030), (1703, 147720), (1965, 128024), (2462, 102180), (2620, 96018), (3144, 80015), (3406, 73860), (3693, 68120), (3930, 64012), (4924, 51090), (5109, 49240), (5240, 48009), (6155, 40872), (6812, 36930), (7386, 34060), (7860, 32006), (8515, 29544), (9848, 25545), (10218, 24620), (12310, 20436), (13624, 18465), (14772, 17030), (15720, 16003)]