310807980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:429

約数の個数: 216

約数和(自身を含む): 1109188080

約数和(自身を除く): 798380100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 131, 140, 147, 180, 196, 210, 245, 252, 262, 269, 294, 315, 393, 420, 441, 490, 524, 538, 588, 630, 655, 735, 786, 807, 882, 917, 980, 1076, 1179, 1260, 1310, 1345, 1470, 1572, 1614, 1764, 1834, 1883, 1965, 2205, 2358, 2421, 2620, 2690, 2751, 2940, 3228, 3668, 3766, 3930, 4035, 4410, 4585, 4716, 4842, 5380, 5502, 5649, 5895, 6419, 7532, 7860, 8070, 8253, 8820, 9170, 9415, 9684, 11004, 11298, 11790, 12105, 12838, 13181, 13755, 16140, 16506, 16947, 18340, 18830, 19257, 22596, 23580, 24210, 25676, 26362, 27510, 28245, 32095, 33012, 33894, 35239, 37660, 38514, 39543, 41265, 48420, 52724, 55020, 56490, 57771, 64190, 65905, 67788, 70478, 77028, 79086, 82530, 84735, 96285, 105717, 112980, 115542, 118629, 128380, 131810, 140956, 158172, 165060, 169470, 176195, 192570, 197715, 211434, 231084, 237258, 246673, 263620, 288855, 317151, 338940, 352390, 385140, 395430, 422868, 474516, 493346, 528585, 577710, 593145, 634302, 704780, 740019, 790860, 986692, 1057170, 1155420, 1186290, 1233365, 1268604, 1480038, 1585755, 1726711, 2114340, 2220057, 2372580, 2466730, 2960076, 3171510, 3453422, 3700095, 4440114, 4933460, 5180133, 6343020, 6906844, 7400190, 8633555, 8880228, 10360266, 11100285, 14800380, 15540399, 17267110, 20720532, 22200570, 25900665, 31080798, 34534220, 44401140, 51801330, 62161596, 77701995, 103602660, 155403990, 310807980]

約数ペア:

[(1, 310807980), (2, 155403990), (3, 103602660), (4, 77701995), (5, 62161596), (6, 51801330), (7, 44401140), (9, 34534220), (10, 31080798), (12, 25900665), (14, 22200570), (15, 20720532), (18, 17267110), (20, 15540399), (21, 14800380), (28, 11100285), (30, 10360266), (35, 8880228), (36, 8633555), (42, 7400190), (45, 6906844), (49, 6343020), (60, 5180133), (63, 4933460), (70, 4440114), (84, 3700095), (90, 3453422), (98, 3171510), (105, 2960076), (126, 2466730), (131, 2372580), (140, 2220057), (147, 2114340), (180, 1726711), (196, 1585755), (210, 1480038), (245, 1268604), (252, 1233365), (262, 1186290), (269, 1155420), (294, 1057170), (315, 986692), (393, 790860), (420, 740019), (441, 704780), (490, 634302), (524, 593145), (538, 577710), (588, 528585), (630, 493346), (655, 474516), (735, 422868), (786, 395430), (807, 385140), (882, 352390), (917, 338940), (980, 317151), (1076, 288855), (1179, 263620), (1260, 246673), (1310, 237258), (1345, 231084), (1470, 211434), (1572, 197715), (1614, 192570), (1764, 176195), (1834, 169470), (1883, 165060), (1965, 158172), (2205, 140956), (2358, 131810), (2421, 128380), (2620, 118629), (2690, 115542), (2751, 112980), (2940, 105717), (3228, 96285), (3668, 84735), (3766, 82530), (3930, 79086), (4035, 77028), (4410, 70478), (4585, 67788), (4716, 65905), (4842, 64190), (5380, 57771), (5502, 56490), (5649, 55020), (5895, 52724), (6419, 48420), (7532, 41265), (7860, 39543), (8070, 38514), (8253, 37660), (8820, 35239), (9170, 33894), (9415, 33012), (9684, 32095), (11004, 28245), (11298, 27510), (11790, 26362), (12105, 25676), (12838, 24210), (13181, 23580), (13755, 22596), (16140, 19257), (16506, 18830), (16947, 18340)]