1780680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 128

約数和(自身を含む): 6220800

約数和(自身を除く): 4440120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 71, 76, 88, 95, 110, 114, 120, 132, 142, 152, 165, 190, 209, 213, 220, 228, 264, 284, 285, 330, 355, 380, 418, 426, 440, 456, 568, 570, 627, 660, 710, 760, 781, 836, 852, 1045, 1065, 1140, 1254, 1320, 1349, 1420, 1562, 1672, 1704, 2090, 2130, 2280, 2343, 2508, 2698, 2840, 3124, 3135, 3905, 4047, 4180, 4260, 4686, 5016, 5396, 6248, 6270, 6745, 7810, 8094, 8360, 8520, 9372, 10792, 11715, 12540, 13490, 14839, 15620, 16188, 18744, 20235, 23430, 25080, 26980, 29678, 31240, 32376, 40470, 44517, 46860, 53960, 59356, 74195, 80940, 89034, 93720, 118712, 148390, 161880, 178068, 222585, 296780, 356136, 445170, 593560, 890340, 1780680]

約数ペア:

[(1, 1780680), (2, 890340), (3, 593560), (4, 445170), (5, 356136), (6, 296780), (8, 222585), (10, 178068), (11, 161880), (12, 148390), (15, 118712), (19, 93720), (20, 89034), (22, 80940), (24, 74195), (30, 59356), (33, 53960), (38, 46860), (40, 44517), (44, 40470), (55, 32376), (57, 31240), (60, 29678), (66, 26980), (71, 25080), (76, 23430), (88, 20235), (95, 18744), (110, 16188), (114, 15620), (120, 14839), (132, 13490), (142, 12540), (152, 11715), (165, 10792), (190, 9372), (209, 8520), (213, 8360), (220, 8094), (228, 7810), (264, 6745), (284, 6270), (285, 6248), (330, 5396), (355, 5016), (380, 4686), (418, 4260), (426, 4180), (440, 4047), (456, 3905), (568, 3135), (570, 3124), (627, 2840), (660, 2698), (710, 2508), (760, 2343), (781, 2280), (836, 2130), (852, 2090), (1045, 1704), (1065, 1672), (1140, 1562), (1254, 1420), (1320, 1349)]