638213040

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15551}}^1$

素因数の和:15592

約数の個数: 160

約数和(自身を含む): 2314137600

約数和(自身を除く): 1675924560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 15551, 20520, 31102, 41040, 46653, 62204, 77755, 93306, 124408, 139959, 155510, 186612, 233265, 248816, 279918, 295469, 311020, 373224, 419877, 466530, 559836, 590938, 622040, 699795, 746448, 839754, 886407, 933060, 1119672, 1181876, 1244080, 1399590, 1477345, 1679508, 1772814, 1866120, 2099385, 2239344, 2363752, 2659221, 2799180, 2954690, 3359016, 3545628, 3732240, 4198770, 4432035, 4727504, 5318442, 5598360, 5909380, 6718032, 7091256, 7977663, 8397540, 8864070, 10636884, 11196720, 11818760, 13296105, 14182512, 15955326, 16795080, 17728140, 21273768, 23637520, 26592210, 31910652, 33590160, 35456280, 39888315, 42547536, 53184420, 63821304, 70912560, 79776630, 106368840, 127642608, 159553260, 212737680, 319106520, 638213040]

約数ペア:

[(1, 638213040), (2, 319106520), (3, 212737680), (4, 159553260), (5, 127642608), (6, 106368840), (8, 79776630), (9, 70912560), (10, 63821304), (12, 53184420), (15, 42547536), (16, 39888315), (18, 35456280), (19, 33590160), (20, 31910652), (24, 26592210), (27, 23637520), (30, 21273768), (36, 17728140), (38, 16795080), (40, 15955326), (45, 14182512), (48, 13296105), (54, 11818760), (57, 11196720), (60, 10636884), (72, 8864070), (76, 8397540), (80, 7977663), (90, 7091256), (95, 6718032), (108, 5909380), (114, 5598360), (120, 5318442), (135, 4727504), (144, 4432035), (152, 4198770), (171, 3732240), (180, 3545628), (190, 3359016), (216, 2954690), (228, 2799180), (240, 2659221), (270, 2363752), (285, 2239344), (304, 2099385), (342, 1866120), (360, 1772814), (380, 1679508), (432, 1477345), (456, 1399590), (513, 1244080), (540, 1181876), (570, 1119672), (684, 933060), (720, 886407), (760, 839754), (855, 746448), (912, 699795), (1026, 622040), (1080, 590938), (1140, 559836), (1368, 466530), (1520, 419877), (1710, 373224), (2052, 311020), (2160, 295469), (2280, 279918), (2565, 248816), (2736, 233265), (3420, 186612), (4104, 155510), (4560, 139959), (5130, 124408), (6840, 93306), (8208, 77755), (10260, 62204), (13680, 46653), (15551, 41040), (20520, 31102)]