1728240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 5654400

約数和(自身を除く): 3926160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 379, 380, 456, 570, 758, 760, 912, 1137, 1140, 1516, 1520, 1895, 2274, 2280, 3032, 3790, 4548, 4560, 5685, 6064, 7201, 7580, 9096, 11370, 14402, 15160, 18192, 21603, 22740, 28804, 30320, 36005, 43206, 45480, 57608, 72010, 86412, 90960, 108015, 115216, 144020, 172824, 216030, 288040, 345648, 432060, 576080, 864120, 1728240]

約数ペア:

[(1, 1728240), (2, 864120), (3, 576080), (4, 432060), (5, 345648), (6, 288040), (8, 216030), (10, 172824), (12, 144020), (15, 115216), (16, 108015), (19, 90960), (20, 86412), (24, 72010), (30, 57608), (38, 45480), (40, 43206), (48, 36005), (57, 30320), (60, 28804), (76, 22740), (80, 21603), (95, 18192), (114, 15160), (120, 14402), (152, 11370), (190, 9096), (228, 7580), (240, 7201), (285, 6064), (304, 5685), (379, 4560), (380, 4548), (456, 3790), (570, 3032), (758, 2280), (760, 2274), (912, 1895), (1137, 1520), (1140, 1516)]