256700340

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 288

約数和(自身を含む): 924618240

約数和(自身を除く): 667917900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 81, 85, 90, 102, 108, 117, 130, 135, 153, 156, 162, 170, 180, 195, 204, 221, 234, 239, 243, 255, 260, 270, 306, 324, 340, 351, 390, 405, 442, 459, 468, 478, 486, 510, 540, 585, 612, 663, 702, 717, 765, 780, 810, 884, 918, 956, 972, 1020, 1053, 1105, 1170, 1195, 1215, 1326, 1377, 1404, 1434, 1530, 1620, 1755, 1836, 1989, 2106, 2151, 2210, 2295, 2340, 2390, 2430, 2652, 2754, 2868, 3060, 3107, 3159, 3315, 3510, 3585, 3978, 4063, 4131, 4212, 4302, 4420, 4590, 4780, 4860, 5265, 5508, 5967, 6214, 6318, 6453, 6630, 6885, 7020, 7170, 7956, 8126, 8262, 8604, 9180, 9321, 9945, 10530, 10755, 11934, 12189, 12428, 12636, 12906, 13260, 13770, 14340, 15535, 15795, 16252, 16524, 17901, 18642, 19359, 19890, 20315, 20655, 21060, 21510, 23868, 24378, 25812, 27540, 27963, 29835, 31070, 31590, 32265, 35802, 36567, 37284, 38718, 39780, 40630, 41310, 43020, 46605, 48756, 52819, 53703, 55926, 58077, 59670, 60945, 62140, 63180, 64530, 71604, 73134, 77436, 81260, 82620, 83889, 89505, 93210, 96795, 105638, 107406, 109701, 111852, 116154, 119340, 121890, 129060, 139815, 146268, 158457, 167778, 179010, 182835, 186420, 193590, 211276, 214812, 219402, 232308, 243780, 251667, 264095, 268515, 279630, 290385, 316914, 329103, 335556, 358020, 365670, 387180, 419445, 438804, 475371, 503334, 528190, 537030, 548505, 559260, 580770, 633828, 658206, 731340, 755001, 792285, 838890, 950742, 987309, 1006668, 1056380, 1074060, 1097010, 1161540, 1258335, 1316412, 1426113, 1510002, 1584570, 1645515, 1677780, 1901484, 1974618, 2194020, 2376855, 2516670, 2852226, 3020004, 3169140, 3291030, 3775005, 3949236, 4278339, 4753710, 4936545, 5033340, 5704452, 6582060, 7130565, 7550010, 8556678, 9507420, 9873090, 12835017, 14261130, 15100020, 17113356, 19746180, 21391695, 25670034, 28522260, 42783390, 51340068, 64175085, 85566780, 128350170, 256700340]

約数ペア:

[(1, 256700340), (2, 128350170), (3, 85566780), (4, 64175085), (5, 51340068), (6, 42783390), (9, 28522260), (10, 25670034), (12, 21391695), (13, 19746180), (15, 17113356), (17, 15100020), (18, 14261130), (20, 12835017), (26, 9873090), (27, 9507420), (30, 8556678), (34, 7550010), (36, 7130565), (39, 6582060), (45, 5704452), (51, 5033340), (52, 4936545), (54, 4753710), (60, 4278339), (65, 3949236), (68, 3775005), (78, 3291030), (81, 3169140), (85, 3020004), (90, 2852226), (102, 2516670), (108, 2376855), (117, 2194020), (130, 1974618), (135, 1901484), (153, 1677780), (156, 1645515), (162, 1584570), (170, 1510002), (180, 1426113), (195, 1316412), (204, 1258335), (221, 1161540), (234, 1097010), (239, 1074060), (243, 1056380), (255, 1006668), (260, 987309), (270, 950742), (306, 838890), (324, 792285), (340, 755001), (351, 731340), (390, 658206), (405, 633828), (442, 580770), (459, 559260), (468, 548505), (478, 537030), (486, 528190), (510, 503334), (540, 475371), (585, 438804), (612, 419445), (663, 387180), (702, 365670), (717, 358020), (765, 335556), (780, 329103), (810, 316914), (884, 290385), (918, 279630), (956, 268515), (972, 264095), (1020, 251667), (1053, 243780), (1105, 232308), (1170, 219402), (1195, 214812), (1215, 211276), (1326, 193590), (1377, 186420), (1404, 182835), (1434, 179010), (1530, 167778), (1620, 158457), (1755, 146268), (1836, 139815), (1989, 129060), (2106, 121890), (2151, 119340), (2210, 116154), (2295, 111852), (2340, 109701), (2390, 107406), (2430, 105638), (2652, 96795), (2754, 93210), (2868, 89505), (3060, 83889), (3107, 82620), (3159, 81260), (3315, 77436), (3510, 73134), (3585, 71604), (3978, 64530), (4063, 63180), (4131, 62140), (4212, 60945), (4302, 59670), (4420, 58077), (4590, 55926), (4780, 53703), (4860, 52819), (5265, 48756), (5508, 46605), (5967, 43020), (6214, 41310), (6318, 40630), (6453, 39780), (6630, 38718), (6885, 37284), (7020, 36567), (7170, 35802), (7956, 32265), (8126, 31590), (8262, 31070), (8604, 29835), (9180, 27963), (9321, 27540), (9945, 25812), (10530, 24378), (10755, 23868), (11934, 21510), (12189, 21060), (12428, 20655), (12636, 20315), (12906, 19890), (13260, 19359), (13770, 18642), (14340, 17901), (15535, 16524), (15795, 16252)]