279634920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1535

約数の個数: 128

約数和(自身を含む): 888330240

約数和(自身を除く): 608695320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 115, 120, 138, 142, 184, 213, 230, 276, 284, 345, 355, 426, 460, 552, 568, 690, 710, 852, 920, 1065, 1380, 1420, 1427, 1633, 1704, 2130, 2760, 2840, 2854, 3266, 4260, 4281, 4899, 5708, 6532, 7135, 8165, 8520, 8562, 9798, 11416, 13064, 14270, 16330, 17124, 19596, 21405, 24495, 28540, 32660, 32821, 34248, 39192, 42810, 48990, 57080, 65320, 65642, 85620, 97980, 98463, 101317, 131284, 164105, 171240, 195960, 196926, 202634, 262568, 303951, 328210, 393852, 405268, 492315, 506585, 607902, 656420, 787704, 810536, 984630, 1013170, 1215804, 1312840, 1519755, 1969260, 2026340, 2330291, 2431608, 3039510, 3938520, 4052680, 4660582, 6079020, 6990873, 9321164, 11651455, 12158040, 13981746, 18642328, 23302910, 27963492, 34954365, 46605820, 55926984, 69908730, 93211640, 139817460, 279634920]

約数ペア:

[(1, 279634920), (2, 139817460), (3, 93211640), (4, 69908730), (5, 55926984), (6, 46605820), (8, 34954365), (10, 27963492), (12, 23302910), (15, 18642328), (20, 13981746), (23, 12158040), (24, 11651455), (30, 9321164), (40, 6990873), (46, 6079020), (60, 4660582), (69, 4052680), (71, 3938520), (92, 3039510), (115, 2431608), (120, 2330291), (138, 2026340), (142, 1969260), (184, 1519755), (213, 1312840), (230, 1215804), (276, 1013170), (284, 984630), (345, 810536), (355, 787704), (426, 656420), (460, 607902), (552, 506585), (568, 492315), (690, 405268), (710, 393852), (852, 328210), (920, 303951), (1065, 262568), (1380, 202634), (1420, 196926), (1427, 195960), (1633, 171240), (1704, 164105), (2130, 131284), (2760, 101317), (2840, 98463), (2854, 97980), (3266, 85620), (4260, 65642), (4281, 65320), (4899, 57080), (5708, 48990), (6532, 42810), (7135, 39192), (8165, 34248), (8520, 32821), (8562, 32660), (9798, 28540), (11416, 24495), (13064, 21405), (14270, 19596), (16330, 17124)]