215001720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 288

約数和(自身を含む): 797331600

約数和(自身を除く): 582329880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 43, 45, 51, 57, 60, 68, 72, 76, 85, 86, 90, 95, 102, 114, 120, 129, 136, 152, 153, 170, 171, 172, 180, 190, 204, 215, 228, 255, 258, 285, 306, 323, 340, 342, 344, 360, 380, 387, 408, 430, 456, 510, 516, 570, 612, 645, 646, 680, 684, 731, 760, 765, 774, 817, 855, 860, 969, 1020, 1032, 1140, 1224, 1290, 1292, 1368, 1462, 1530, 1548, 1615, 1634, 1710, 1720, 1849, 1935, 1938, 2040, 2193, 2280, 2451, 2580, 2584, 2907, 2924, 3060, 3096, 3230, 3268, 3420, 3655, 3698, 3870, 3876, 4085, 4386, 4845, 4902, 5160, 5547, 5814, 5848, 6120, 6460, 6536, 6579, 6840, 7310, 7353, 7396, 7740, 7752, 8170, 8772, 9245, 9690, 9804, 10965, 11094, 11628, 12255, 12920, 13158, 13889, 14535, 14620, 14706, 14792, 15480, 16340, 16641, 17544, 18490, 19380, 19608, 21930, 22188, 23256, 24510, 26316, 27735, 27778, 29070, 29240, 29412, 31433, 32680, 32895, 33282, 35131, 36765, 36980, 38760, 41667, 43860, 44376, 49020, 52632, 55470, 55556, 58140, 58824, 62866, 65790, 66564, 69445, 70262, 73530, 73960, 83205, 83334, 87720, 94299, 98040, 105393, 110940, 111112, 116280, 125001, 125732, 131580, 133128, 138890, 140524, 147060, 157165, 166410, 166668, 175655, 188598, 208335, 210786, 221880, 250002, 251464, 263160, 277780, 281048, 282897, 294120, 314330, 316179, 332820, 333336, 351310, 377196, 416670, 421572, 471495, 500004, 526965, 555560, 565794, 597227, 625005, 628660, 632358, 665640, 702620, 754392, 833340, 843144, 942990, 1000008, 1053930, 1131588, 1194454, 1250010, 1257320, 1264716, 1405240, 1414485, 1580895, 1666680, 1791681, 1885980, 2107860, 2263176, 2388908, 2500020, 2529432, 2828970, 2986135, 3161790, 3583362, 3771960, 4215720, 4777816, 5000040, 5375043, 5657940, 5972270, 6323580, 7166724, 8958405, 10750086, 11315880, 11944540, 12647160, 14333448, 17916810, 21500172, 23889080, 26875215, 35833620, 43000344, 53750430, 71667240, 107500860, 215001720]

約数ペア:

[(1, 215001720), (2, 107500860), (3, 71667240), (4, 53750430), (5, 43000344), (6, 35833620), (8, 26875215), (9, 23889080), (10, 21500172), (12, 17916810), (15, 14333448), (17, 12647160), (18, 11944540), (19, 11315880), (20, 10750086), (24, 8958405), (30, 7166724), (34, 6323580), (36, 5972270), (38, 5657940), (40, 5375043), (43, 5000040), (45, 4777816), (51, 4215720), (57, 3771960), (60, 3583362), (68, 3161790), (72, 2986135), (76, 2828970), (85, 2529432), (86, 2500020), (90, 2388908), (95, 2263176), (102, 2107860), (114, 1885980), (120, 1791681), (129, 1666680), (136, 1580895), (152, 1414485), (153, 1405240), (170, 1264716), (171, 1257320), (172, 1250010), (180, 1194454), (190, 1131588), (204, 1053930), (215, 1000008), (228, 942990), (255, 843144), (258, 833340), (285, 754392), (306, 702620), (323, 665640), (340, 632358), (342, 628660), (344, 625005), (360, 597227), (380, 565794), (387, 555560), (408, 526965), (430, 500004), (456, 471495), (510, 421572), (516, 416670), (570, 377196), (612, 351310), (645, 333336), (646, 332820), (680, 316179), (684, 314330), (731, 294120), (760, 282897), (765, 281048), (774, 277780), (817, 263160), (855, 251464), (860, 250002), (969, 221880), (1020, 210786), (1032, 208335), (1140, 188598), (1224, 175655), (1290, 166668), (1292, 166410), (1368, 157165), (1462, 147060), (1530, 140524), (1548, 138890), (1615, 133128), (1634, 131580), (1710, 125732), (1720, 125001), (1849, 116280), (1935, 111112), (1938, 110940), (2040, 105393), (2193, 98040), (2280, 94299), (2451, 87720), (2580, 83334), (2584, 83205), (2907, 73960), (2924, 73530), (3060, 70262), (3096, 69445), (3230, 66564), (3268, 65790), (3420, 62866), (3655, 58824), (3698, 58140), (3870, 55556), (3876, 55470), (4085, 52632), (4386, 49020), (4845, 44376), (4902, 43860), (5160, 41667), (5547, 38760), (5814, 36980), (5848, 36765), (6120, 35131), (6460, 33282), (6536, 32895), (6579, 32680), (6840, 31433), (7310, 29412), (7353, 29240), (7396, 29070), (7740, 27778), (7752, 27735), (8170, 26316), (8772, 24510), (9245, 23256), (9690, 22188), (9804, 21930), (10965, 19608), (11094, 19380), (11628, 18490), (12255, 17544), (12920, 16641), (13158, 16340), (13889, 15480), (14535, 14792), (14620, 14706)]