28341840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 88387200

約数和(自身を除く): 60045360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 439, 538, 807, 878, 1076, 1317, 1345, 1614, 1756, 2152, 2195, 2634, 2690, 3228, 3512, 4035, 4304, 4390, 5268, 5380, 6456, 6585, 7024, 8070, 8780, 10536, 10760, 12912, 13170, 16140, 17560, 21072, 21520, 26340, 32280, 35120, 52680, 64560, 105360, 118091, 236182, 354273, 472364, 590455, 708546, 944728, 1180910, 1417092, 1771365, 1889456, 2361820, 2834184, 3542730, 4723640, 5668368, 7085460, 9447280, 14170920, 28341840]

約数ペア:

[(1, 28341840), (2, 14170920), (3, 9447280), (4, 7085460), (5, 5668368), (6, 4723640), (8, 3542730), (10, 2834184), (12, 2361820), (15, 1889456), (16, 1771365), (20, 1417092), (24, 1180910), (30, 944728), (40, 708546), (48, 590455), (60, 472364), (80, 354273), (120, 236182), (240, 118091), (269, 105360), (439, 64560), (538, 52680), (807, 35120), (878, 32280), (1076, 26340), (1317, 21520), (1345, 21072), (1614, 17560), (1756, 16140), (2152, 13170), (2195, 12912), (2634, 10760), (2690, 10536), (3228, 8780), (3512, 8070), (4035, 7024), (4304, 6585), (4390, 6456), (5268, 5380)]