71201640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 221771520

約数和(自身を除く): 150569880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 71, 120, 122, 137, 142, 183, 213, 244, 274, 284, 305, 355, 366, 411, 426, 488, 548, 568, 610, 685, 710, 732, 822, 852, 915, 1065, 1096, 1220, 1370, 1420, 1464, 1644, 1704, 1830, 2055, 2130, 2440, 2740, 2840, 3288, 3660, 4110, 4260, 4331, 5480, 7320, 8220, 8357, 8520, 8662, 9727, 12993, 16440, 16714, 17324, 19454, 21655, 25071, 25986, 29181, 33428, 34648, 38908, 41785, 43310, 48635, 50142, 51972, 58362, 64965, 66856, 77816, 83570, 86620, 97270, 100284, 103944, 116724, 125355, 129930, 145905, 167140, 173240, 194540, 200568, 233448, 250710, 259860, 291810, 334280, 389080, 501420, 519720, 583620, 593347, 1002840, 1167240, 1186694, 1780041, 2373388, 2966735, 3560082, 4746776, 5933470, 7120164, 8900205, 11866940, 14240328, 17800410, 23733880, 35600820, 71201640]

約数ペア:

[(1, 71201640), (2, 35600820), (3, 23733880), (4, 17800410), (5, 14240328), (6, 11866940), (8, 8900205), (10, 7120164), (12, 5933470), (15, 4746776), (20, 3560082), (24, 2966735), (30, 2373388), (40, 1780041), (60, 1186694), (61, 1167240), (71, 1002840), (120, 593347), (122, 583620), (137, 519720), (142, 501420), (183, 389080), (213, 334280), (244, 291810), (274, 259860), (284, 250710), (305, 233448), (355, 200568), (366, 194540), (411, 173240), (426, 167140), (488, 145905), (548, 129930), (568, 125355), (610, 116724), (685, 103944), (710, 100284), (732, 97270), (822, 86620), (852, 83570), (915, 77816), (1065, 66856), (1096, 64965), (1220, 58362), (1370, 51972), (1420, 50142), (1464, 48635), (1644, 43310), (1704, 41785), (1830, 38908), (2055, 34648), (2130, 33428), (2440, 29181), (2740, 25986), (2840, 25071), (3288, 21655), (3660, 19454), (4110, 17324), (4260, 16714), (4331, 16440), (5480, 12993), (7320, 9727), (8220, 8662), (8357, 8520)]