319251720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{461}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 997920000

約数和(自身を除く): 678668280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 199, 232, 290, 348, 398, 435, 461, 580, 597, 696, 796, 870, 922, 995, 1160, 1194, 1383, 1592, 1740, 1844, 1990, 2305, 2388, 2766, 2985, 3480, 3688, 3980, 4610, 4776, 5532, 5771, 5970, 6915, 7960, 9220, 11064, 11542, 11940, 13369, 13830, 17313, 18440, 23084, 23880, 26738, 27660, 28855, 34626, 40107, 46168, 53476, 55320, 57710, 66845, 69252, 80214, 86565, 91739, 106952, 115420, 133690, 138504, 160428, 173130, 183478, 200535, 230840, 267380, 275217, 320856, 346260, 366956, 401070, 458695, 534760, 550434, 692520, 733912, 802140, 917390, 1100868, 1376085, 1604280, 1834780, 2201736, 2660431, 2752170, 3669560, 5320862, 5504340, 7981293, 10641724, 11008680, 13302155, 15962586, 21283448, 26604310, 31925172, 39906465, 53208620, 63850344, 79812930, 106417240, 159625860, 319251720]

約数ペア:

[(1, 319251720), (2, 159625860), (3, 106417240), (4, 79812930), (5, 63850344), (6, 53208620), (8, 39906465), (10, 31925172), (12, 26604310), (15, 21283448), (20, 15962586), (24, 13302155), (29, 11008680), (30, 10641724), (40, 7981293), (58, 5504340), (60, 5320862), (87, 3669560), (116, 2752170), (120, 2660431), (145, 2201736), (174, 1834780), (199, 1604280), (232, 1376085), (290, 1100868), (348, 917390), (398, 802140), (435, 733912), (461, 692520), (580, 550434), (597, 534760), (696, 458695), (796, 401070), (870, 366956), (922, 346260), (995, 320856), (1160, 275217), (1194, 267380), (1383, 230840), (1592, 200535), (1740, 183478), (1844, 173130), (1990, 160428), (2305, 138504), (2388, 133690), (2766, 115420), (2985, 106952), (3480, 91739), (3688, 86565), (3980, 80214), (4610, 69252), (4776, 66845), (5532, 57710), (5771, 55320), (5970, 53476), (6915, 46168), (7960, 40107), (9220, 34626), (11064, 28855), (11542, 27660), (11940, 26738), (13369, 23880), (13830, 23084), (17313, 18440)]