253205820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11821}}^1$

素因数の和:11860

約数の個数: 144

約数和(自身を含む): 929492928

約数和(自身を除く): 676287108

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, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 10710, 11821, 21420, 23642, 35463, 47284, 59105, 70926, 82747, 106389, 118210, 141852, 165494, 177315, 200957, 212778, 236420, 248241, 330988, 354630, 401914, 413735, 425556, 496482, 531945, 602871, 709260, 744723, 803828, 827470, 992964, 1004785, 1063890, 1205742, 1241205, 1406699, 1489446, 1654940, 1808613, 2009570, 2127780, 2411484, 2482410, 2813398, 2978892, 3014355, 3617226, 3723615, 4019140, 4220097, 4964820, 5626796, 6028710, 7033495, 7234452, 7447230, 8440194, 9043065, 12057420, 12660291, 14066990, 14894460, 16880388, 18086130, 21100485, 25320582, 28133980, 36172260, 42200970, 50641164, 63301455, 84401940, 126602910, 253205820]

約数ペア:

[(1, 253205820), (2, 126602910), (3, 84401940), (4, 63301455), (5, 50641164), (6, 42200970), (7, 36172260), (9, 28133980), (10, 25320582), (12, 21100485), (14, 18086130), (15, 16880388), (17, 14894460), (18, 14066990), (20, 12660291), (21, 12057420), (28, 9043065), (30, 8440194), (34, 7447230), (35, 7234452), (36, 7033495), (42, 6028710), (45, 5626796), (51, 4964820), (60, 4220097), (63, 4019140), (68, 3723615), (70, 3617226), (84, 3014355), (85, 2978892), (90, 2813398), (102, 2482410), (105, 2411484), (119, 2127780), (126, 2009570), (140, 1808613), (153, 1654940), (170, 1489446), (180, 1406699), (204, 1241205), (210, 1205742), (238, 1063890), (252, 1004785), (255, 992964), (306, 827470), (315, 803828), (340, 744723), (357, 709260), (420, 602871), (476, 531945), (510, 496482), (595, 425556), (612, 413735), (630, 401914), (714, 354630), (765, 330988), (1020, 248241), (1071, 236420), (1190, 212778), (1260, 200957), (1428, 177315), (1530, 165494), (1785, 141852), (2142, 118210), (2380, 106389), (3060, 82747), (3570, 70926), (4284, 59105), (5355, 47284), (7140, 35463), (10710, 23642), (11821, 21420)]