209884080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{461}}^1$

素因数の和:755

約数の個数: 160

約数和(自身を含む): 747952128

約数和(自身を除く): 538068048

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 271, 280, 336, 420, 461, 542, 560, 813, 840, 922, 1084, 1355, 1383, 1626, 1680, 1844, 1897, 2168, 2305, 2710, 2766, 3227, 3252, 3688, 3794, 4065, 4336, 4610, 5420, 5532, 5691, 6454, 6504, 6915, 7376, 7588, 8130, 9220, 9485, 9681, 10840, 11064, 11382, 12908, 13008, 13830, 15176, 16135, 16260, 18440, 18970, 19362, 21680, 22128, 22764, 25816, 27660, 28455, 30352, 32270, 32520, 36880, 37940, 38724, 45528, 48405, 51632, 55320, 56910, 64540, 65040, 75880, 77448, 91056, 96810, 110640, 113820, 124931, 129080, 151760, 154896, 193620, 227640, 249862, 258160, 374793, 387240, 455280, 499724, 624655, 749586, 774480, 874517, 999448, 1249310, 1499172, 1749034, 1873965, 1998896, 2498620, 2623551, 2998344, 3498068, 3747930, 4372585, 4997240, 5247102, 5996688, 6996136, 7495860, 8745170, 9994480, 10494204, 13117755, 13992272, 14991720, 17490340, 20988408, 26235510, 29983440, 34980680, 41976816, 52471020, 69961360, 104942040, 209884080]

約数ペア:

[(1, 209884080), (2, 104942040), (3, 69961360), (4, 52471020), (5, 41976816), (6, 34980680), (7, 29983440), (8, 26235510), (10, 20988408), (12, 17490340), (14, 14991720), (15, 13992272), (16, 13117755), (20, 10494204), (21, 9994480), (24, 8745170), (28, 7495860), (30, 6996136), (35, 5996688), (40, 5247102), (42, 4997240), (48, 4372585), (56, 3747930), (60, 3498068), (70, 2998344), (80, 2623551), (84, 2498620), (105, 1998896), (112, 1873965), (120, 1749034), (140, 1499172), (168, 1249310), (210, 999448), (240, 874517), (271, 774480), (280, 749586), (336, 624655), (420, 499724), (461, 455280), (542, 387240), (560, 374793), (813, 258160), (840, 249862), (922, 227640), (1084, 193620), (1355, 154896), (1383, 151760), (1626, 129080), (1680, 124931), (1844, 113820), (1897, 110640), (2168, 96810), (2305, 91056), (2710, 77448), (2766, 75880), (3227, 65040), (3252, 64540), (3688, 56910), (3794, 55320), (4065, 51632), (4336, 48405), (4610, 45528), (5420, 38724), (5532, 37940), (5691, 36880), (6454, 32520), (6504, 32270), (6915, 30352), (7376, 28455), (7588, 27660), (8130, 25816), (9220, 22764), (9485, 22128), (9681, 21680), (10840, 19362), (11064, 18970), (11382, 18440), (12908, 16260), (13008, 16135), (13830, 15176)]