13001940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{607}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 47803392

約数和(自身を除く): 34801452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 607, 612, 630, 714, 765, 1020, 1071, 1190, 1214, 1260, 1428, 1530, 1785, 1821, 2142, 2380, 2428, 3035, 3060, 3570, 3642, 4249, 4284, 5355, 5463, 6070, 7140, 7284, 8498, 9105, 10319, 10710, 10926, 12140, 12747, 16996, 18210, 20638, 21245, 21420, 21852, 25494, 27315, 30957, 36420, 38241, 41276, 42490, 50988, 51595, 54630, 61914, 63735, 72233, 76482, 84980, 92871, 103190, 109260, 123828, 127470, 144466, 152964, 154785, 185742, 191205, 206380, 216699, 254940, 288932, 309570, 361165, 371484, 382410, 433398, 464355, 619140, 650097, 722330, 764820, 866796, 928710, 1083495, 1300194, 1444660, 1857420, 2166990, 2600388, 3250485, 4333980, 6500970, 13001940]

約数ペア:

[(1, 13001940), (2, 6500970), (3, 4333980), (4, 3250485), (5, 2600388), (6, 2166990), (7, 1857420), (9, 1444660), (10, 1300194), (12, 1083495), (14, 928710), (15, 866796), (17, 764820), (18, 722330), (20, 650097), (21, 619140), (28, 464355), (30, 433398), (34, 382410), (35, 371484), (36, 361165), (42, 309570), (45, 288932), (51, 254940), (60, 216699), (63, 206380), (68, 191205), (70, 185742), (84, 154785), (85, 152964), (90, 144466), (102, 127470), (105, 123828), (119, 109260), (126, 103190), (140, 92871), (153, 84980), (170, 76482), (180, 72233), (204, 63735), (210, 61914), (238, 54630), (252, 51595), (255, 50988), (306, 42490), (315, 41276), (340, 38241), (357, 36420), (420, 30957), (476, 27315), (510, 25494), (595, 21852), (607, 21420), (612, 21245), (630, 20638), (714, 18210), (765, 16996), (1020, 12747), (1071, 12140), (1190, 10926), (1214, 10710), (1260, 10319), (1428, 9105), (1530, 8498), (1785, 7284), (1821, 7140), (2142, 6070), (2380, 5463), (2428, 5355), (3035, 4284), (3060, 4249), (3570, 3642)]