219231320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 256

約数和(自身を含む): 671846400

約数和(自身を除く): 452615080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 53, 55, 56, 68, 70, 77, 79, 85, 88, 106, 110, 119, 136, 140, 154, 158, 170, 187, 212, 220, 238, 265, 280, 308, 316, 340, 371, 374, 385, 395, 424, 440, 476, 530, 553, 583, 595, 616, 632, 680, 742, 748, 770, 790, 869, 901, 935, 952, 1060, 1106, 1166, 1190, 1309, 1343, 1484, 1496, 1540, 1580, 1738, 1802, 1855, 1870, 2120, 2212, 2332, 2380, 2618, 2686, 2765, 2915, 2968, 3080, 3160, 3476, 3604, 3710, 3740, 4081, 4187, 4345, 4424, 4505, 4664, 4760, 5236, 5372, 5530, 5830, 6083, 6307, 6545, 6715, 6952, 7208, 7420, 7480, 8162, 8374, 8690, 9010, 9401, 9911, 10472, 10744, 11060, 11660, 12166, 12614, 13090, 13430, 14773, 14840, 16324, 16748, 17380, 18020, 18802, 19822, 20405, 20935, 22120, 23320, 24332, 25228, 26180, 26860, 29309, 29546, 30415, 31535, 32648, 33496, 34760, 36040, 37604, 39644, 40810, 41870, 46057, 47005, 48664, 49555, 50456, 52360, 53720, 58618, 59092, 60830, 63070, 69377, 71179, 73865, 75208, 79288, 81620, 83740, 92114, 94010, 99110, 103411, 117236, 118184, 121660, 126140, 138754, 142358, 146545, 147730, 163240, 167480, 184228, 188020, 198220, 206822, 230285, 234472, 243320, 252280, 277508, 284716, 293090, 295460, 322399, 346885, 355895, 368456, 376040, 396440, 413644, 460570, 498253, 517055, 555016, 569432, 586180, 590920, 644798, 693770, 711790, 782969, 827288, 921140, 996506, 1034110, 1172360, 1289596, 1387540, 1423580, 1565938, 1611995, 1842280, 1993012, 2068220, 2491265, 2579192, 2775080, 2847160, 3131876, 3223990, 3914845, 3986024, 4136440, 4982530, 5480783, 6263752, 6447980, 7829690, 9965060, 10961566, 12895960, 15659380, 19930120, 21923132, 27403915, 31318760, 43846264, 54807830, 109615660, 219231320]

約数ペア:

[(1, 219231320), (2, 109615660), (4, 54807830), (5, 43846264), (7, 31318760), (8, 27403915), (10, 21923132), (11, 19930120), (14, 15659380), (17, 12895960), (20, 10961566), (22, 9965060), (28, 7829690), (34, 6447980), (35, 6263752), (40, 5480783), (44, 4982530), (53, 4136440), (55, 3986024), (56, 3914845), (68, 3223990), (70, 3131876), (77, 2847160), (79, 2775080), (85, 2579192), (88, 2491265), (106, 2068220), (110, 1993012), (119, 1842280), (136, 1611995), (140, 1565938), (154, 1423580), (158, 1387540), (170, 1289596), (187, 1172360), (212, 1034110), (220, 996506), (238, 921140), (265, 827288), (280, 782969), (308, 711790), (316, 693770), (340, 644798), (371, 590920), (374, 586180), (385, 569432), (395, 555016), (424, 517055), (440, 498253), (476, 460570), (530, 413644), (553, 396440), (583, 376040), (595, 368456), (616, 355895), (632, 346885), (680, 322399), (742, 295460), (748, 293090), (770, 284716), (790, 277508), (869, 252280), (901, 243320), (935, 234472), (952, 230285), (1060, 206822), (1106, 198220), (1166, 188020), (1190, 184228), (1309, 167480), (1343, 163240), (1484, 147730), (1496, 146545), (1540, 142358), (1580, 138754), (1738, 126140), (1802, 121660), (1855, 118184), (1870, 117236), (2120, 103411), (2212, 99110), (2332, 94010), (2380, 92114), (2618, 83740), (2686, 81620), (2765, 79288), (2915, 75208), (2968, 73865), (3080, 71179), (3160, 69377), (3476, 63070), (3604, 60830), (3710, 59092), (3740, 58618), (4081, 53720), (4187, 52360), (4345, 50456), (4424, 49555), (4505, 48664), (4664, 47005), (4760, 46057), (5236, 41870), (5372, 40810), (5530, 39644), (5830, 37604), (6083, 36040), (6307, 34760), (6545, 33496), (6715, 32648), (6952, 31535), (7208, 30415), (7420, 29546), (7480, 29309), (8162, 26860), (8374, 26180), (8690, 25228), (9010, 24332), (9401, 23320), (9911, 22120), (10472, 20935), (10744, 20405), (11060, 19822), (11660, 18802), (12166, 18020), (12614, 17380), (13090, 16748), (13430, 16324), (14773, 14840)]