305326980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3413}}^1$

素因数の和:3506

約数の個数: 144

約数和(自身を含む): 1073689344

約数和(自身を除く): 768362364

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 3413, 4260, 4473, 4970, 5964, 6390, 6826, 7455, 8946, 9940, 10239, 12780, 13652, 14910, 17065, 17892, 20478, 22365, 23891, 29820, 30717, 34130, 40956, 44730, 47782, 51195, 61434, 68260, 71673, 89460, 95564, 102390, 119455, 122868, 143346, 153585, 204780, 215019, 238910, 242323, 286692, 307170, 358365, 430038, 477820, 484646, 614340, 716730, 726969, 860076, 969292, 1075095, 1211615, 1433460, 1453938, 1696261, 2150190, 2180907, 2423230, 2907876, 3392522, 3634845, 4300380, 4361814, 4846460, 5088783, 6785044, 7269690, 8481305, 8723628, 10177566, 10904535, 14539380, 15266349, 16962610, 20355132, 21809070, 25443915, 30532698, 33925220, 43618140, 50887830, 61065396, 76331745, 101775660, 152663490, 305326980]

約数ペア:

[(1, 305326980), (2, 152663490), (3, 101775660), (4, 76331745), (5, 61065396), (6, 50887830), (7, 43618140), (9, 33925220), (10, 30532698), (12, 25443915), (14, 21809070), (15, 20355132), (18, 16962610), (20, 15266349), (21, 14539380), (28, 10904535), (30, 10177566), (35, 8723628), (36, 8481305), (42, 7269690), (45, 6785044), (60, 5088783), (63, 4846460), (70, 4361814), (71, 4300380), (84, 3634845), (90, 3392522), (105, 2907876), (126, 2423230), (140, 2180907), (142, 2150190), (180, 1696261), (210, 1453938), (213, 1433460), (252, 1211615), (284, 1075095), (315, 969292), (355, 860076), (420, 726969), (426, 716730), (497, 614340), (630, 484646), (639, 477820), (710, 430038), (852, 358365), (994, 307170), (1065, 286692), (1260, 242323), (1278, 238910), (1420, 215019), (1491, 204780), (1988, 153585), (2130, 143346), (2485, 122868), (2556, 119455), (2982, 102390), (3195, 95564), (3413, 89460), (4260, 71673), (4473, 68260), (4970, 61434), (5964, 51195), (6390, 47782), (6826, 44730), (7455, 40956), (8946, 34130), (9940, 30717), (10239, 29820), (12780, 23891), (13652, 22365), (14910, 20478), (17065, 17892)]