78440040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1872

約数の個数: 192

約数和(自身を含む): 308655360

約数和(自身を除く): 230215320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 51, 56, 60, 63, 68, 70, 72, 84, 85, 90, 102, 105, 119, 120, 126, 136, 140, 153, 168, 170, 180, 204, 210, 238, 252, 255, 280, 306, 315, 340, 357, 360, 408, 420, 476, 504, 510, 595, 612, 630, 680, 714, 765, 840, 952, 1020, 1071, 1190, 1224, 1260, 1428, 1530, 1785, 1831, 2040, 2142, 2380, 2520, 2856, 3060, 3570, 3662, 4284, 4760, 5355, 5493, 6120, 7140, 7324, 8568, 9155, 10710, 10986, 12817, 14280, 14648, 16479, 18310, 21420, 21972, 25634, 27465, 31127, 32958, 36620, 38451, 42840, 43944, 51268, 54930, 62254, 64085, 65916, 73240, 76902, 82395, 93381, 102536, 109860, 115353, 124508, 128170, 131832, 153804, 155635, 164790, 186762, 192255, 217889, 219720, 230706, 249016, 256340, 280143, 307608, 311270, 329580, 373524, 384510, 435778, 461412, 466905, 512680, 560286, 576765, 622540, 653667, 659160, 747048, 769020, 871556, 922824, 933810, 1089445, 1120572, 1153530, 1245080, 1307334, 1400715, 1538040, 1743112, 1867620, 1961001, 2178890, 2241144, 2307060, 2614668, 2801430, 3268335, 3735240, 3922002, 4357780, 4614120, 5229336, 5602860, 6536670, 7844004, 8715560, 9805005, 11205720, 13073340, 15688008, 19610010, 26146680, 39220020, 78440040]

約数ペア:

[(1, 78440040), (2, 39220020), (3, 26146680), (4, 19610010), (5, 15688008), (6, 13073340), (7, 11205720), (8, 9805005), (9, 8715560), (10, 7844004), (12, 6536670), (14, 5602860), (15, 5229336), (17, 4614120), (18, 4357780), (20, 3922002), (21, 3735240), (24, 3268335), (28, 2801430), (30, 2614668), (34, 2307060), (35, 2241144), (36, 2178890), (40, 1961001), (42, 1867620), (45, 1743112), (51, 1538040), (56, 1400715), (60, 1307334), (63, 1245080), (68, 1153530), (70, 1120572), (72, 1089445), (84, 933810), (85, 922824), (90, 871556), (102, 769020), (105, 747048), (119, 659160), (120, 653667), (126, 622540), (136, 576765), (140, 560286), (153, 512680), (168, 466905), (170, 461412), (180, 435778), (204, 384510), (210, 373524), (238, 329580), (252, 311270), (255, 307608), (280, 280143), (306, 256340), (315, 249016), (340, 230706), (357, 219720), (360, 217889), (408, 192255), (420, 186762), (476, 164790), (504, 155635), (510, 153804), (595, 131832), (612, 128170), (630, 124508), (680, 115353), (714, 109860), (765, 102536), (840, 93381), (952, 82395), (1020, 76902), (1071, 73240), (1190, 65916), (1224, 64085), (1260, 62254), (1428, 54930), (1530, 51268), (1785, 43944), (1831, 42840), (2040, 38451), (2142, 36620), (2380, 32958), (2520, 31127), (2856, 27465), (3060, 25634), (3570, 21972), (3662, 21420), (4284, 18310), (4760, 16479), (5355, 14648), (5493, 14280), (6120, 12817), (7140, 10986), (7324, 10710), (8568, 9155)]