28408080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2887}}^1$

素因数の和:2944

約数の個数: 80

約数和(自身を含む): 90244224

約数和(自身を除く): 61836144

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 2887, 3280, 4920, 5774, 8661, 9840, 11548, 14435, 17322, 23096, 28870, 34644, 43305, 46192, 57740, 69288, 86610, 115480, 118367, 138576, 173220, 230960, 236734, 346440, 355101, 473468, 591835, 692880, 710202, 946936, 1183670, 1420404, 1775505, 1893872, 2367340, 2840808, 3551010, 4734680, 5681616, 7102020, 9469360, 14204040, 28408080]

約数ペア:

[(1, 28408080), (2, 14204040), (3, 9469360), (4, 7102020), (5, 5681616), (6, 4734680), (8, 3551010), (10, 2840808), (12, 2367340), (15, 1893872), (16, 1775505), (20, 1420404), (24, 1183670), (30, 946936), (40, 710202), (41, 692880), (48, 591835), (60, 473468), (80, 355101), (82, 346440), (120, 236734), (123, 230960), (164, 173220), (205, 138576), (240, 118367), (246, 115480), (328, 86610), (410, 69288), (492, 57740), (615, 46192), (656, 43305), (820, 34644), (984, 28870), (1230, 23096), (1640, 17322), (1968, 14435), (2460, 11548), (2887, 9840), (3280, 8661), (4920, 5774)]