161879160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 128

約数和(自身を含む): 507124800

約数和(自身を除く): 345245640

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, 181, 232, 257, 290, 348, 362, 435, 514, 543, 580, 696, 724, 771, 870, 905, 1028, 1086, 1160, 1285, 1448, 1542, 1740, 1810, 2056, 2172, 2570, 2715, 3084, 3480, 3620, 3855, 4344, 5140, 5249, 5430, 6168, 7240, 7453, 7710, 10280, 10498, 10860, 14906, 15420, 15747, 20996, 21720, 22359, 26245, 29812, 30840, 31494, 37265, 41992, 44718, 46517, 52490, 59624, 62988, 74530, 78735, 89436, 93034, 104980, 111795, 125976, 139551, 149060, 157470, 178872, 186068, 209960, 223590, 232585, 279102, 298120, 314940, 372136, 447180, 465170, 558204, 629880, 697755, 894360, 930340, 1116408, 1348993, 1395510, 1860680, 2697986, 2791020, 4046979, 5395972, 5582040, 6744965, 8093958, 10791944, 13489930, 16187916, 20234895, 26979860, 32375832, 40469790, 53959720, 80939580, 161879160]

約数ペア:

[(1, 161879160), (2, 80939580), (3, 53959720), (4, 40469790), (5, 32375832), (6, 26979860), (8, 20234895), (10, 16187916), (12, 13489930), (15, 10791944), (20, 8093958), (24, 6744965), (29, 5582040), (30, 5395972), (40, 4046979), (58, 2791020), (60, 2697986), (87, 1860680), (116, 1395510), (120, 1348993), (145, 1116408), (174, 930340), (181, 894360), (232, 697755), (257, 629880), (290, 558204), (348, 465170), (362, 447180), (435, 372136), (514, 314940), (543, 298120), (580, 279102), (696, 232585), (724, 223590), (771, 209960), (870, 186068), (905, 178872), (1028, 157470), (1086, 149060), (1160, 139551), (1285, 125976), (1448, 111795), (1542, 104980), (1740, 93034), (1810, 89436), (2056, 78735), (2172, 74530), (2570, 62988), (2715, 59624), (3084, 52490), (3480, 46517), (3620, 44718), (3855, 41992), (4344, 37265), (5140, 31494), (5249, 30840), (5430, 29812), (6168, 26245), (7240, 22359), (7453, 21720), (7710, 20996), (10280, 15747), (10498, 15420), (10860, 14906)]