217425360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47681}}^1$

素因数の和:47716

約数の個数: 80

約数和(自身を含む): 709508160

約数和(自身を除く): 492082800

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, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 47681, 95362, 143043, 190724, 238405, 286086, 381448, 476810, 572172, 715215, 762896, 905939, 953620, 1144344, 1430430, 1811878, 1907240, 2288688, 2717817, 2860860, 3623756, 3814480, 4529695, 5435634, 5721720, 7247512, 9059390, 10871268, 11443440, 13589085, 14495024, 18118780, 21742536, 27178170, 36237560, 43485072, 54356340, 72475120, 108712680, 217425360]

約数ペア:

[(1, 217425360), (2, 108712680), (3, 72475120), (4, 54356340), (5, 43485072), (6, 36237560), (8, 27178170), (10, 21742536), (12, 18118780), (15, 14495024), (16, 13589085), (19, 11443440), (20, 10871268), (24, 9059390), (30, 7247512), (38, 5721720), (40, 5435634), (48, 4529695), (57, 3814480), (60, 3623756), (76, 2860860), (80, 2717817), (95, 2288688), (114, 1907240), (120, 1811878), (152, 1430430), (190, 1144344), (228, 953620), (240, 905939), (285, 762896), (304, 715215), (380, 572172), (456, 476810), (570, 381448), (760, 286086), (912, 238405), (1140, 190724), (1520, 143043), (2280, 95362), (4560, 47681)]