642330720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1438

約数の個数: 288

約数和(自身を含む): 2444813280

約数和(自身を除く): 1802482560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 570, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1381, 1440, 1520, 1530, 1615, 1632, 1710, 1824, 1938, 2040, 2280, 2448, 2584, 2720, 2736, 2762, 2907, 3040, 3060, 3230, 3420, 3876, 4080, 4143, 4560, 4845, 4896, 5168, 5472, 5524, 5814, 6120, 6460, 6840, 6905, 7752, 8160, 8286, 9120, 9690, 10336, 11048, 11628, 12240, 12429, 12920, 13680, 13810, 14535, 15504, 16572, 19380, 20715, 22096, 23256, 23477, 24480, 24858, 25840, 26239, 27360, 27620, 29070, 31008, 33144, 38760, 41430, 44192, 46512, 46954, 49716, 51680, 52478, 55240, 58140, 62145, 66288, 70431, 77520, 78717, 82860, 93024, 93908, 99432, 104956, 110480, 116280, 117385, 124290, 131195, 132576, 140862, 155040, 157434, 165720, 187816, 198864, 209912, 211293, 220960, 232560, 234770, 236151, 248580, 262390, 281724, 314868, 331440, 352155, 375632, 393585, 397728, 419824, 422586, 446063, 465120, 469540, 472302, 497160, 524780, 563448, 629736, 662880, 704310, 751264, 787170, 839648, 845172, 892126, 939080, 944604, 994320, 1049560, 1056465, 1126896, 1180755, 1259472, 1338189, 1408620, 1574340, 1690344, 1784252, 1878160, 1889208, 1988640, 2099120, 2112930, 2230315, 2253792, 2361510, 2518944, 2676378, 2817240, 3148680, 3380688, 3568504, 3756320, 3778416, 4014567, 4198240, 4225860, 4460630, 4723020, 5352756, 5634480, 6297360, 6690945, 6761376, 7137008, 7556832, 8029134, 8451720, 8921260, 9446040, 10705512, 11268960, 12594720, 13381890, 14274016, 16058268, 16903440, 17842520, 18892080, 20072835, 21411024, 26763780, 32116536, 33806880, 35685040, 37784160, 40145670, 42822048, 53527560, 64233072, 71370080, 80291340, 107055120, 128466144, 160582680, 214110240, 321165360, 642330720]

約数ペア:

[(1, 642330720), (2, 321165360), (3, 214110240), (4, 160582680), (5, 128466144), (6, 107055120), (8, 80291340), (9, 71370080), (10, 64233072), (12, 53527560), (15, 42822048), (16, 40145670), (17, 37784160), (18, 35685040), (19, 33806880), (20, 32116536), (24, 26763780), (30, 21411024), (32, 20072835), (34, 18892080), (36, 17842520), (38, 16903440), (40, 16058268), (45, 14274016), (48, 13381890), (51, 12594720), (57, 11268960), (60, 10705512), (68, 9446040), (72, 8921260), (76, 8451720), (80, 8029134), (85, 7556832), (90, 7137008), (95, 6761376), (96, 6690945), (102, 6297360), (114, 5634480), (120, 5352756), (136, 4723020), (144, 4460630), (152, 4225860), (153, 4198240), (160, 4014567), (170, 3778416), (171, 3756320), (180, 3568504), (190, 3380688), (204, 3148680), (228, 2817240), (240, 2676378), (255, 2518944), (272, 2361510), (285, 2253792), (288, 2230315), (304, 2112930), (306, 2099120), (323, 1988640), (340, 1889208), (342, 1878160), (360, 1784252), (380, 1690344), (408, 1574340), (456, 1408620), (480, 1338189), (510, 1259472), (544, 1180755), (570, 1126896), (608, 1056465), (612, 1049560), (646, 994320), (680, 944604), (684, 939080), (720, 892126), (760, 845172), (765, 839648), (816, 787170), (855, 751264), (912, 704310), (969, 662880), (1020, 629736), (1140, 563448), (1224, 524780), (1292, 497160), (1360, 472302), (1368, 469540), (1381, 465120), (1440, 446063), (1520, 422586), (1530, 419824), (1615, 397728), (1632, 393585), (1710, 375632), (1824, 352155), (1938, 331440), (2040, 314868), (2280, 281724), (2448, 262390), (2584, 248580), (2720, 236151), (2736, 234770), (2762, 232560), (2907, 220960), (3040, 211293), (3060, 209912), (3230, 198864), (3420, 187816), (3876, 165720), (4080, 157434), (4143, 155040), (4560, 140862), (4845, 132576), (4896, 131195), (5168, 124290), (5472, 117385), (5524, 116280), (5814, 110480), (6120, 104956), (6460, 99432), (6840, 93908), (6905, 93024), (7752, 82860), (8160, 78717), (8286, 77520), (9120, 70431), (9690, 66288), (10336, 62145), (11048, 58140), (11628, 55240), (12240, 52478), (12429, 51680), (12920, 49716), (13680, 46954), (13810, 46512), (14535, 44192), (15504, 41430), (16572, 38760), (19380, 33144), (20715, 31008), (22096, 29070), (23256, 27620), (23477, 27360), (24480, 26239), (24858, 25840)]