398135520

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4007}}^1$

素因数の和:4054

約数の個数: 192

約数和(自身を含む): 1454423040

約数和(自身を除く): 1056287520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 180, 184, 207, 216, 230, 240, 270, 276, 288, 345, 360, 368, 414, 432, 460, 480, 540, 552, 621, 690, 720, 736, 828, 864, 920, 1035, 1080, 1104, 1242, 1380, 1440, 1656, 1840, 2070, 2160, 2208, 2484, 2760, 3105, 3312, 3680, 4007, 4140, 4320, 4968, 5520, 6210, 6624, 8014, 8280, 9936, 11040, 12021, 12420, 16028, 16560, 19872, 20035, 24042, 24840, 32056, 33120, 36063, 40070, 48084, 49680, 60105, 64112, 72126, 80140, 92161, 96168, 99360, 108189, 120210, 128224, 144252, 160280, 180315, 184322, 192336, 216378, 240420, 276483, 288504, 320560, 360630, 368644, 384672, 432756, 460805, 480840, 540945, 552966, 577008, 641120, 721260, 737288, 829449, 865512, 921610, 961680, 1081890, 1105932, 1154016, 1382415, 1442520, 1474576, 1658898, 1731024, 1843220, 1923360, 2163780, 2211864, 2488347, 2764830, 2885040, 2949152, 3317796, 3462048, 3686440, 4147245, 4327560, 4423728, 4976694, 5529660, 5770080, 6635592, 7372880, 8294490, 8655120, 8847456, 9953388, 11059320, 12441735, 13271184, 14745760, 16588980, 17310240, 19906776, 22118640, 24883470, 26542368, 33177960, 39813552, 44237280, 49766940, 66355920, 79627104, 99533880, 132711840, 199067760, 398135520]

約数ペア:

[(1, 398135520), (2, 199067760), (3, 132711840), (4, 99533880), (5, 79627104), (6, 66355920), (8, 49766940), (9, 44237280), (10, 39813552), (12, 33177960), (15, 26542368), (16, 24883470), (18, 22118640), (20, 19906776), (23, 17310240), (24, 16588980), (27, 14745760), (30, 13271184), (32, 12441735), (36, 11059320), (40, 9953388), (45, 8847456), (46, 8655120), (48, 8294490), (54, 7372880), (60, 6635592), (69, 5770080), (72, 5529660), (80, 4976694), (90, 4423728), (92, 4327560), (96, 4147245), (108, 3686440), (115, 3462048), (120, 3317796), (135, 2949152), (138, 2885040), (144, 2764830), (160, 2488347), (180, 2211864), (184, 2163780), (207, 1923360), (216, 1843220), (230, 1731024), (240, 1658898), (270, 1474576), (276, 1442520), (288, 1382415), (345, 1154016), (360, 1105932), (368, 1081890), (414, 961680), (432, 921610), (460, 865512), (480, 829449), (540, 737288), (552, 721260), (621, 641120), (690, 577008), (720, 552966), (736, 540945), (828, 480840), (864, 460805), (920, 432756), (1035, 384672), (1080, 368644), (1104, 360630), (1242, 320560), (1380, 288504), (1440, 276483), (1656, 240420), (1840, 216378), (2070, 192336), (2160, 184322), (2208, 180315), (2484, 160280), (2760, 144252), (3105, 128224), (3312, 120210), (3680, 108189), (4007, 99360), (4140, 96168), (4320, 92161), (4968, 80140), (5520, 72126), (6210, 64112), (6624, 60105), (8014, 49680), (8280, 48084), (9936, 40070), (11040, 36063), (12021, 33120), (12420, 32056), (16028, 24840), (16560, 24042), (19872, 20035)]