31258920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 256

約数和(自身を含む): 124416000

約数和(自身を除く): 93157080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 199, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 398, 408, 420, 440, 462, 476, 510, 561, 595, 597, 616, 660, 680, 714, 748, 770, 796, 840, 924, 935, 952, 995, 1020, 1122, 1155, 1190, 1194, 1309, 1320, 1393, 1428, 1496, 1540, 1592, 1785, 1848, 1870, 1990, 2040, 2189, 2244, 2310, 2380, 2388, 2618, 2786, 2805, 2856, 2985, 3080, 3383, 3570, 3740, 3927, 3980, 4179, 4378, 4488, 4620, 4760, 4776, 5236, 5572, 5610, 5970, 6545, 6567, 6766, 6965, 7140, 7480, 7854, 7960, 8358, 8756, 9240, 10149, 10472, 10945, 11144, 11220, 11940, 13090, 13134, 13532, 13930, 14280, 15323, 15708, 16716, 16915, 17512, 19635, 20298, 20895, 21890, 22440, 23681, 23880, 26180, 26268, 27064, 27860, 30646, 31416, 32835, 33432, 33830, 37213, 39270, 40596, 41790, 43780, 45969, 47362, 50745, 52360, 52536, 55720, 61292, 65670, 67660, 71043, 74426, 76615, 78540, 81192, 83580, 87560, 91938, 94724, 101490, 111639, 118405, 122584, 131340, 135320, 142086, 148852, 153230, 157080, 167160, 183876, 186065, 189448, 202980, 223278, 229845, 236810, 260491, 262680, 284172, 297704, 306460, 355215, 367752, 372130, 405960, 446556, 459690, 473620, 520982, 558195, 568344, 612920, 710430, 744260, 781473, 893112, 919380, 947240, 1041964, 1116390, 1302455, 1420860, 1488520, 1562946, 1838760, 2083928, 2232780, 2604910, 2841720, 3125892, 3907365, 4465560, 5209820, 6251784, 7814730, 10419640, 15629460, 31258920]

約数ペア:

[(1, 31258920), (2, 15629460), (3, 10419640), (4, 7814730), (5, 6251784), (6, 5209820), (7, 4465560), (8, 3907365), (10, 3125892), (11, 2841720), (12, 2604910), (14, 2232780), (15, 2083928), (17, 1838760), (20, 1562946), (21, 1488520), (22, 1420860), (24, 1302455), (28, 1116390), (30, 1041964), (33, 947240), (34, 919380), (35, 893112), (40, 781473), (42, 744260), (44, 710430), (51, 612920), (55, 568344), (56, 558195), (60, 520982), (66, 473620), (68, 459690), (70, 446556), (77, 405960), (84, 372130), (85, 367752), (88, 355215), (102, 306460), (105, 297704), (110, 284172), (119, 262680), (120, 260491), (132, 236810), (136, 229845), (140, 223278), (154, 202980), (165, 189448), (168, 186065), (170, 183876), (187, 167160), (199, 157080), (204, 153230), (210, 148852), (220, 142086), (231, 135320), (238, 131340), (255, 122584), (264, 118405), (280, 111639), (308, 101490), (330, 94724), (340, 91938), (357, 87560), (374, 83580), (385, 81192), (398, 78540), (408, 76615), (420, 74426), (440, 71043), (462, 67660), (476, 65670), (510, 61292), (561, 55720), (595, 52536), (597, 52360), (616, 50745), (660, 47362), (680, 45969), (714, 43780), (748, 41790), (770, 40596), (796, 39270), (840, 37213), (924, 33830), (935, 33432), (952, 32835), (995, 31416), (1020, 30646), (1122, 27860), (1155, 27064), (1190, 26268), (1194, 26180), (1309, 23880), (1320, 23681), (1393, 22440), (1428, 21890), (1496, 20895), (1540, 20298), (1592, 19635), (1785, 17512), (1848, 16915), (1870, 16716), (1990, 15708), (2040, 15323), (2189, 14280), (2244, 13930), (2310, 13532), (2380, 13134), (2388, 13090), (2618, 11940), (2786, 11220), (2805, 11144), (2856, 10945), (2985, 10472), (3080, 10149), (3383, 9240), (3570, 8756), (3740, 8358), (3927, 7960), (3980, 7854), (4179, 7480), (4378, 7140), (4488, 6965), (4620, 6766), (4760, 6567), (4776, 6545), (5236, 5970), (5572, 5610)]