281640480

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1371

約数の個数: 192

約数和(自身を含む): 992186496

約数和(自身を除く): 710546016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 96, 110, 120, 123, 132, 160, 164, 165, 176, 205, 220, 240, 246, 264, 328, 330, 352, 410, 440, 451, 480, 492, 528, 615, 656, 660, 820, 880, 902, 984, 1056, 1230, 1301, 1312, 1320, 1353, 1640, 1760, 1804, 1968, 2255, 2460, 2602, 2640, 2706, 3280, 3608, 3903, 3936, 4510, 4920, 5204, 5280, 5412, 6505, 6560, 6765, 7216, 7806, 9020, 9840, 10408, 10824, 13010, 13530, 14311, 14432, 15612, 18040, 19515, 19680, 20816, 21648, 26020, 27060, 28622, 31224, 36080, 39030, 41632, 42933, 43296, 52040, 53341, 54120, 57244, 62448, 71555, 72160, 78060, 85866, 104080, 106682, 108240, 114488, 124896, 143110, 156120, 160023, 171732, 208160, 213364, 214665, 216480, 228976, 266705, 286220, 312240, 320046, 343464, 426728, 429330, 457952, 533410, 572440, 586751, 624480, 640092, 686928, 800115, 853456, 858660, 1066820, 1144880, 1173502, 1280184, 1373856, 1600230, 1706912, 1717320, 1760253, 2133640, 2289760, 2347004, 2560368, 2933755, 3200460, 3434640, 3520506, 4267280, 4694008, 5120736, 5867510, 6400920, 6869280, 7041012, 8534560, 8801265, 9388016, 11735020, 12801840, 14082024, 17602530, 18776032, 23470040, 25603680, 28164048, 35205060, 46940080, 56328096, 70410120, 93880160, 140820240, 281640480]

約数ペア:

[(1, 281640480), (2, 140820240), (3, 93880160), (4, 70410120), (5, 56328096), (6, 46940080), (8, 35205060), (10, 28164048), (11, 25603680), (12, 23470040), (15, 18776032), (16, 17602530), (20, 14082024), (22, 12801840), (24, 11735020), (30, 9388016), (32, 8801265), (33, 8534560), (40, 7041012), (41, 6869280), (44, 6400920), (48, 5867510), (55, 5120736), (60, 4694008), (66, 4267280), (80, 3520506), (82, 3434640), (88, 3200460), (96, 2933755), (110, 2560368), (120, 2347004), (123, 2289760), (132, 2133640), (160, 1760253), (164, 1717320), (165, 1706912), (176, 1600230), (205, 1373856), (220, 1280184), (240, 1173502), (246, 1144880), (264, 1066820), (328, 858660), (330, 853456), (352, 800115), (410, 686928), (440, 640092), (451, 624480), (480, 586751), (492, 572440), (528, 533410), (615, 457952), (656, 429330), (660, 426728), (820, 343464), (880, 320046), (902, 312240), (984, 286220), (1056, 266705), (1230, 228976), (1301, 216480), (1312, 214665), (1320, 213364), (1353, 208160), (1640, 171732), (1760, 160023), (1804, 156120), (1968, 143110), (2255, 124896), (2460, 114488), (2602, 108240), (2640, 106682), (2706, 104080), (3280, 85866), (3608, 78060), (3903, 72160), (3936, 71555), (4510, 62448), (4920, 57244), (5204, 54120), (5280, 53341), (5412, 52040), (6505, 43296), (6560, 42933), (6765, 41632), (7216, 39030), (7806, 36080), (9020, 31224), (9840, 28622), (10408, 27060), (10824, 26020), (13010, 21648), (13530, 20816), (14311, 19680), (14432, 19515), (15612, 18040)]