328628560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16631}}^1$

素因数の和:16676

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 537566000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 16631, 19760, 33262, 66524, 83155, 133048, 166310, 216203, 266096, 315989, 332620, 432406, 631978, 665240, 864812, 1081015, 1263956, 1330480, 1579945, 1729624, 2162030, 2527912, 3159890, 3459248, 4107857, 4324060, 5055824, 6319780, 8215714, 8648120, 12639560, 16431428, 17296240, 20539285, 25279120, 32862856, 41078570, 65725712, 82157140, 164314280, 328628560]

約数ペア:

[(1, 328628560), (2, 164314280), (4, 82157140), (5, 65725712), (8, 41078570), (10, 32862856), (13, 25279120), (16, 20539285), (19, 17296240), (20, 16431428), (26, 12639560), (38, 8648120), (40, 8215714), (52, 6319780), (65, 5055824), (76, 4324060), (80, 4107857), (95, 3459248), (104, 3159890), (130, 2527912), (152, 2162030), (190, 1729624), (208, 1579945), (247, 1330480), (260, 1263956), (304, 1081015), (380, 864812), (494, 665240), (520, 631978), (760, 432406), (988, 332620), (1040, 315989), (1235, 266096), (1520, 216203), (1976, 166310), (2470, 133048), (3952, 83155), (4940, 66524), (9880, 33262), (16631, 19760)]