72619960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 195840000

約数和(自身を除く): 123220040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 67, 70, 79, 98, 134, 140, 158, 196, 245, 268, 280, 316, 335, 343, 392, 395, 469, 490, 536, 553, 632, 670, 686, 790, 938, 980, 1106, 1340, 1372, 1580, 1715, 1876, 1960, 2212, 2345, 2680, 2744, 2765, 3160, 3283, 3430, 3752, 3871, 4424, 4690, 5293, 5530, 6566, 6860, 7742, 9380, 10586, 11060, 13132, 13720, 15484, 16415, 18760, 19355, 21172, 22120, 22981, 26264, 26465, 27097, 30968, 32830, 37051, 38710, 42344, 45962, 52930, 54194, 65660, 74102, 77420, 91924, 105860, 108388, 114905, 131320, 135485, 148204, 154840, 183848, 185255, 211720, 216776, 229810, 259357, 270970, 296408, 370510, 459620, 518714, 541940, 741020, 919240, 1037428, 1083880, 1296785, 1482040, 1815499, 2074856, 2593570, 3630998, 5187140, 7261996, 9077495, 10374280, 14523992, 18154990, 36309980, 72619960]

約数ペア:

[(1, 72619960), (2, 36309980), (4, 18154990), (5, 14523992), (7, 10374280), (8, 9077495), (10, 7261996), (14, 5187140), (20, 3630998), (28, 2593570), (35, 2074856), (40, 1815499), (49, 1482040), (56, 1296785), (67, 1083880), (70, 1037428), (79, 919240), (98, 741020), (134, 541940), (140, 518714), (158, 459620), (196, 370510), (245, 296408), (268, 270970), (280, 259357), (316, 229810), (335, 216776), (343, 211720), (392, 185255), (395, 183848), (469, 154840), (490, 148204), (536, 135485), (553, 131320), (632, 114905), (670, 108388), (686, 105860), (790, 91924), (938, 77420), (980, 74102), (1106, 65660), (1340, 54194), (1372, 52930), (1580, 45962), (1715, 42344), (1876, 38710), (1960, 37051), (2212, 32830), (2345, 30968), (2680, 27097), (2744, 26465), (2765, 26264), (3160, 22981), (3283, 22120), (3430, 21172), (3752, 19355), (3871, 18760), (4424, 16415), (4690, 15484), (5293, 13720), (5530, 13132), (6566, 11060), (6860, 10586), (7742, 9380)]