291503940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 288

約数和(自身を含む): 1061786880

約数和(自身を除く): 770282940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 49, 52, 58, 60, 65, 70, 78, 84, 87, 91, 98, 105, 116, 130, 140, 145, 147, 156, 174, 182, 195, 196, 203, 210, 245, 260, 263, 273, 290, 294, 348, 364, 377, 390, 406, 420, 435, 455, 490, 526, 546, 580, 588, 609, 637, 735, 754, 780, 789, 812, 870, 910, 980, 1015, 1052, 1092, 1131, 1218, 1274, 1315, 1365, 1421, 1470, 1508, 1578, 1740, 1820, 1841, 1885, 1911, 2030, 2262, 2436, 2548, 2630, 2639, 2730, 2842, 2940, 3045, 3156, 3185, 3419, 3682, 3770, 3822, 3945, 4060, 4263, 4524, 5260, 5278, 5460, 5523, 5655, 5684, 6090, 6370, 6838, 7105, 7364, 7540, 7627, 7644, 7890, 7917, 8526, 9205, 9555, 10257, 10556, 11046, 11310, 12180, 12740, 12887, 13195, 13676, 14210, 15254, 15780, 15834, 17052, 17095, 18410, 18473, 19110, 20514, 21315, 22092, 22620, 22881, 23933, 25774, 26390, 27615, 28420, 30508, 31668, 34190, 36820, 36946, 38135, 38220, 38661, 39585, 41028, 42630, 45762, 47866, 51285, 51548, 52780, 53389, 55230, 55419, 64435, 68380, 71799, 73892, 76270, 77322, 79170, 85260, 91524, 92365, 95732, 99151, 102570, 106778, 110460, 110838, 114405, 119665, 128870, 143598, 152540, 154644, 158340, 160167, 167531, 184730, 193305, 198302, 205140, 213556, 221676, 228810, 239330, 257740, 266945, 277095, 287196, 297453, 320334, 335062, 358995, 369460, 373723, 386610, 396604, 457620, 478660, 495755, 502593, 533890, 554190, 594906, 640668, 670124, 694057, 717990, 747446, 773220, 800835, 837655, 991510, 1005186, 1067780, 1108380, 1121169, 1189812, 1388114, 1435980, 1487265, 1494892, 1601670, 1675310, 1868615, 1983020, 2010372, 2082171, 2242338, 2512965, 2776228, 2974530, 3203340, 3350620, 3470285, 3737230, 4164342, 4484676, 4858399, 5025930, 5605845, 5949060, 6940570, 7474460, 8328684, 9716798, 10051860, 10410855, 11211690, 13881140, 14575197, 19433596, 20821710, 22423380, 24291995, 29150394, 41643420, 48583990, 58300788, 72875985, 97167980, 145751970, 291503940]

約数ペア:

[(1, 291503940), (2, 145751970), (3, 97167980), (4, 72875985), (5, 58300788), (6, 48583990), (7, 41643420), (10, 29150394), (12, 24291995), (13, 22423380), (14, 20821710), (15, 19433596), (20, 14575197), (21, 13881140), (26, 11211690), (28, 10410855), (29, 10051860), (30, 9716798), (35, 8328684), (39, 7474460), (42, 6940570), (49, 5949060), (52, 5605845), (58, 5025930), (60, 4858399), (65, 4484676), (70, 4164342), (78, 3737230), (84, 3470285), (87, 3350620), (91, 3203340), (98, 2974530), (105, 2776228), (116, 2512965), (130, 2242338), (140, 2082171), (145, 2010372), (147, 1983020), (156, 1868615), (174, 1675310), (182, 1601670), (195, 1494892), (196, 1487265), (203, 1435980), (210, 1388114), (245, 1189812), (260, 1121169), (263, 1108380), (273, 1067780), (290, 1005186), (294, 991510), (348, 837655), (364, 800835), (377, 773220), (390, 747446), (406, 717990), (420, 694057), (435, 670124), (455, 640668), (490, 594906), (526, 554190), (546, 533890), (580, 502593), (588, 495755), (609, 478660), (637, 457620), (735, 396604), (754, 386610), (780, 373723), (789, 369460), (812, 358995), (870, 335062), (910, 320334), (980, 297453), (1015, 287196), (1052, 277095), (1092, 266945), (1131, 257740), (1218, 239330), (1274, 228810), (1315, 221676), (1365, 213556), (1421, 205140), (1470, 198302), (1508, 193305), (1578, 184730), (1740, 167531), (1820, 160167), (1841, 158340), (1885, 154644), (1911, 152540), (2030, 143598), (2262, 128870), (2436, 119665), (2548, 114405), (2630, 110838), (2639, 110460), (2730, 106778), (2842, 102570), (2940, 99151), (3045, 95732), (3156, 92365), (3185, 91524), (3419, 85260), (3682, 79170), (3770, 77322), (3822, 76270), (3945, 73892), (4060, 71799), (4263, 68380), (4524, 64435), (5260, 55419), (5278, 55230), (5460, 53389), (5523, 52780), (5655, 51548), (5684, 51285), (6090, 47866), (6370, 45762), (6838, 42630), (7105, 41028), (7364, 39585), (7540, 38661), (7627, 38220), (7644, 38135), (7890, 36946), (7917, 36820), (8526, 34190), (9205, 31668), (9555, 30508), (10257, 28420), (10556, 27615), (11046, 26390), (11310, 25774), (12180, 23933), (12740, 22881), (12887, 22620), (13195, 22092), (13676, 21315), (14210, 20514), (15254, 19110), (15780, 18473), (15834, 18410), (17052, 17095)]