421056720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4397}}^1$

素因数の和:4442

約数の個数: 240

約数和(自身を含む): 1701498240

約数和(自身を除く): 1280441520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4397, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 8794, 9576, 10640, 11970, 13191, 13680, 15960, 17588, 19152, 21985, 23940, 26382, 30779, 31920, 35176, 39573, 43970, 47880, 52764, 61558, 65955, 70352, 79146, 83543, 87940, 92337, 95760, 105528, 123116, 131910, 153895, 158292, 167086, 175880, 184674, 197865, 211056, 246232, 250629, 263820, 277011, 307790, 316584, 334172, 351760, 369348, 395730, 417715, 461685, 492464, 501258, 527640, 554022, 584801, 615580, 633168, 668344, 738696, 751887, 791460, 835430, 923370, 1002516, 1055280, 1108044, 1169602, 1231160, 1253145, 1336688, 1385055, 1477392, 1503774, 1582920, 1670860, 1754403, 1846740, 2005032, 2216088, 2339204, 2462320, 2506290, 2770110, 2924005, 3007548, 3165840, 3341720, 3508806, 3693480, 3759435, 4010064, 4432176, 4678408, 5012580, 5263209, 5540220, 5848010, 6015096, 6683440, 7017612, 7386960, 7518870, 8772015, 9356816, 10025160, 10526418, 11080440, 11696020, 12030192, 14035224, 15037740, 17544030, 20050320, 21052836, 22160880, 23392040, 26316045, 28070448, 30075480, 35088060, 42105672, 46784080, 52632090, 60150960, 70176120, 84211344, 105264180, 140352240, 210528360, 421056720]

約数ペア:

[(1, 421056720), (2, 210528360), (3, 140352240), (4, 105264180), (5, 84211344), (6, 70176120), (7, 60150960), (8, 52632090), (9, 46784080), (10, 42105672), (12, 35088060), (14, 30075480), (15, 28070448), (16, 26316045), (18, 23392040), (19, 22160880), (20, 21052836), (21, 20050320), (24, 17544030), (28, 15037740), (30, 14035224), (35, 12030192), (36, 11696020), (38, 11080440), (40, 10526418), (42, 10025160), (45, 9356816), (48, 8772015), (56, 7518870), (57, 7386960), (60, 7017612), (63, 6683440), (70, 6015096), (72, 5848010), (76, 5540220), (80, 5263209), (84, 5012580), (90, 4678408), (95, 4432176), (105, 4010064), (112, 3759435), (114, 3693480), (120, 3508806), (126, 3341720), (133, 3165840), (140, 3007548), (144, 2924005), (152, 2770110), (168, 2506290), (171, 2462320), (180, 2339204), (190, 2216088), (210, 2005032), (228, 1846740), (240, 1754403), (252, 1670860), (266, 1582920), (280, 1503774), (285, 1477392), (304, 1385055), (315, 1336688), (336, 1253145), (342, 1231160), (360, 1169602), (380, 1108044), (399, 1055280), (420, 1002516), (456, 923370), (504, 835430), (532, 791460), (560, 751887), (570, 738696), (630, 668344), (665, 633168), (684, 615580), (720, 584801), (760, 554022), (798, 527640), (840, 501258), (855, 492464), (912, 461685), (1008, 417715), (1064, 395730), (1140, 369348), (1197, 351760), (1260, 334172), (1330, 316584), (1368, 307790), (1520, 277011), (1596, 263820), (1680, 250629), (1710, 246232), (1995, 211056), (2128, 197865), (2280, 184674), (2394, 175880), (2520, 167086), (2660, 158292), (2736, 153895), (3192, 131910), (3420, 123116), (3990, 105528), (4397, 95760), (4560, 92337), (4788, 87940), (5040, 83543), (5320, 79146), (5985, 70352), (6384, 65955), (6840, 61558), (7980, 52764), (8794, 47880), (9576, 43970), (10640, 39573), (11970, 35176), (13191, 31920), (13680, 30779), (15960, 26382), (17588, 23940), (19152, 21985)]