128231760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:557

約数の個数: 160

約数和(自身を含む): 426222720

約数和(自身を除く): 297990960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 114, 120, 122, 152, 183, 190, 228, 240, 244, 285, 304, 305, 366, 380, 456, 461, 488, 570, 610, 732, 760, 912, 915, 922, 976, 1140, 1159, 1220, 1383, 1464, 1520, 1830, 1844, 2280, 2305, 2318, 2440, 2766, 2928, 3477, 3660, 3688, 4560, 4610, 4636, 4880, 5532, 5795, 6915, 6954, 7320, 7376, 8759, 9220, 9272, 11064, 11590, 13830, 13908, 14640, 17385, 17518, 18440, 18544, 22128, 23180, 26277, 27660, 27816, 28121, 34770, 35036, 36880, 43795, 46360, 52554, 55320, 55632, 56242, 69540, 70072, 84363, 87590, 92720, 105108, 110640, 112484, 131385, 139080, 140144, 140605, 168726, 175180, 210216, 224968, 262770, 278160, 281210, 337452, 350360, 420432, 421815, 449936, 525540, 534299, 562420, 674904, 700720, 843630, 1051080, 1068598, 1124840, 1349808, 1602897, 1687260, 2102160, 2137196, 2249680, 2671495, 3205794, 3374520, 4274392, 5342990, 6411588, 6749040, 8014485, 8548784, 10685980, 12823176, 16028970, 21371960, 25646352, 32057940, 42743920, 64115880, 128231760]

約数ペア:

[(1, 128231760), (2, 64115880), (3, 42743920), (4, 32057940), (5, 25646352), (6, 21371960), (8, 16028970), (10, 12823176), (12, 10685980), (15, 8548784), (16, 8014485), (19, 6749040), (20, 6411588), (24, 5342990), (30, 4274392), (38, 3374520), (40, 3205794), (48, 2671495), (57, 2249680), (60, 2137196), (61, 2102160), (76, 1687260), (80, 1602897), (95, 1349808), (114, 1124840), (120, 1068598), (122, 1051080), (152, 843630), (183, 700720), (190, 674904), (228, 562420), (240, 534299), (244, 525540), (285, 449936), (304, 421815), (305, 420432), (366, 350360), (380, 337452), (456, 281210), (461, 278160), (488, 262770), (570, 224968), (610, 210216), (732, 175180), (760, 168726), (912, 140605), (915, 140144), (922, 139080), (976, 131385), (1140, 112484), (1159, 110640), (1220, 105108), (1383, 92720), (1464, 87590), (1520, 84363), (1830, 70072), (1844, 69540), (2280, 56242), (2305, 55632), (2318, 55320), (2440, 52554), (2766, 46360), (2928, 43795), (3477, 36880), (3660, 35036), (3688, 34770), (4560, 28121), (4610, 27816), (4636, 27660), (4880, 26277), (5532, 23180), (5795, 22128), (6915, 18544), (6954, 18440), (7320, 17518), (7376, 17385), (8759, 14640), (9220, 13908), (9272, 13830), (11064, 11590)]