247290420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 781127424

約数和(自身を除く): 533837004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 65, 73, 78, 86, 101, 129, 130, 146, 156, 172, 195, 202, 215, 219, 258, 260, 292, 303, 365, 390, 404, 430, 438, 505, 516, 559, 606, 645, 730, 780, 860, 876, 949, 1010, 1095, 1118, 1212, 1290, 1313, 1460, 1515, 1677, 1898, 2020, 2190, 2236, 2580, 2626, 2795, 2847, 3030, 3139, 3354, 3796, 3939, 4343, 4380, 4745, 5252, 5590, 5694, 6060, 6278, 6565, 6708, 7373, 7878, 8385, 8686, 9417, 9490, 11180, 11388, 12556, 13029, 13130, 14235, 14746, 15695, 15756, 16770, 17372, 18834, 18980, 19695, 21715, 22119, 26058, 26260, 28470, 29492, 31390, 33540, 36865, 37668, 39390, 40807, 43430, 44238, 47085, 52116, 56459, 56940, 62780, 65145, 73730, 78780, 81614, 86860, 88476, 94170, 95849, 110595, 112918, 122421, 130290, 147460, 163228, 169377, 188340, 191698, 204035, 221190, 225836, 244842, 260580, 282295, 287547, 317039, 338754, 383396, 408070, 442380, 479245, 489684, 564590, 575094, 612105, 634078, 677508, 816140, 846885, 951117, 958490, 1129180, 1150188, 1224210, 1268156, 1437735, 1585195, 1693770, 1902234, 1916980, 2448420, 2875470, 3170390, 3387540, 3804468, 4121507, 4755585, 5750940, 6340780, 8243014, 9511170, 12364521, 16486028, 19022340, 20607535, 24729042, 41215070, 49458084, 61822605, 82430140, 123645210, 247290420]

約数ペア:

[(1, 247290420), (2, 123645210), (3, 82430140), (4, 61822605), (5, 49458084), (6, 41215070), (10, 24729042), (12, 20607535), (13, 19022340), (15, 16486028), (20, 12364521), (26, 9511170), (30, 8243014), (39, 6340780), (43, 5750940), (52, 4755585), (60, 4121507), (65, 3804468), (73, 3387540), (78, 3170390), (86, 2875470), (101, 2448420), (129, 1916980), (130, 1902234), (146, 1693770), (156, 1585195), (172, 1437735), (195, 1268156), (202, 1224210), (215, 1150188), (219, 1129180), (258, 958490), (260, 951117), (292, 846885), (303, 816140), (365, 677508), (390, 634078), (404, 612105), (430, 575094), (438, 564590), (505, 489684), (516, 479245), (559, 442380), (606, 408070), (645, 383396), (730, 338754), (780, 317039), (860, 287547), (876, 282295), (949, 260580), (1010, 244842), (1095, 225836), (1118, 221190), (1212, 204035), (1290, 191698), (1313, 188340), (1460, 169377), (1515, 163228), (1677, 147460), (1898, 130290), (2020, 122421), (2190, 112918), (2236, 110595), (2580, 95849), (2626, 94170), (2795, 88476), (2847, 86860), (3030, 81614), (3139, 78780), (3354, 73730), (3796, 65145), (3939, 62780), (4343, 56940), (4380, 56459), (4745, 52116), (5252, 47085), (5590, 44238), (5694, 43430), (6060, 40807), (6278, 39390), (6565, 37668), (6708, 36865), (7373, 33540), (7878, 31390), (8385, 29492), (8686, 28470), (9417, 26260), (9490, 26058), (11180, 22119), (11388, 21715), (12556, 19695), (13029, 18980), (13130, 18834), (14235, 17372), (14746, 16770), (15695, 15756)]