28928640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 256

約数和(自身を含む): 106243200

約数和(自身を除く): 77314560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 61, 64, 65, 76, 78, 80, 95, 96, 104, 114, 120, 122, 128, 130, 152, 156, 160, 183, 190, 192, 195, 208, 228, 240, 244, 247, 260, 285, 304, 305, 312, 320, 366, 380, 384, 390, 416, 456, 480, 488, 494, 520, 570, 608, 610, 624, 640, 732, 741, 760, 780, 793, 832, 912, 915, 960, 976, 988, 1040, 1140, 1159, 1216, 1220, 1235, 1248, 1464, 1482, 1520, 1560, 1586, 1664, 1824, 1830, 1920, 1952, 1976, 2080, 2280, 2318, 2379, 2432, 2440, 2470, 2496, 2928, 2964, 3040, 3120, 3172, 3477, 3648, 3660, 3705, 3904, 3952, 3965, 4160, 4560, 4636, 4758, 4880, 4940, 4992, 5795, 5856, 5928, 6080, 6240, 6344, 6954, 7296, 7320, 7410, 7808, 7904, 7930, 8320, 9120, 9272, 9516, 9760, 9880, 11590, 11712, 11856, 11895, 12160, 12480, 12688, 13908, 14640, 14820, 15067, 15808, 15860, 17385, 18240, 18544, 19032, 19520, 19760, 23180, 23424, 23712, 23790, 24960, 25376, 27816, 29280, 29640, 30134, 31616, 31720, 34770, 36480, 37088, 38064, 39040, 39520, 45201, 46360, 47424, 47580, 50752, 55632, 58560, 59280, 60268, 63440, 69540, 74176, 75335, 76128, 79040, 90402, 92720, 94848, 95160, 101504, 111264, 117120, 118560, 120536, 126880, 139080, 148352, 150670, 152256, 158080, 180804, 185440, 190320, 222528, 226005, 237120, 241072, 253760, 278160, 301340, 304512, 361608, 370880, 380640, 445056, 452010, 474240, 482144, 507520, 556320, 602680, 723216, 741760, 761280, 904020, 964288, 1112640, 1205360, 1446432, 1522560, 1808040, 1928576, 2225280, 2410720, 2892864, 3616080, 4821440, 5785728, 7232160, 9642880, 14464320, 28928640]

約数ペア:

[(1, 28928640), (2, 14464320), (3, 9642880), (4, 7232160), (5, 5785728), (6, 4821440), (8, 3616080), (10, 2892864), (12, 2410720), (13, 2225280), (15, 1928576), (16, 1808040), (19, 1522560), (20, 1446432), (24, 1205360), (26, 1112640), (30, 964288), (32, 904020), (38, 761280), (39, 741760), (40, 723216), (48, 602680), (52, 556320), (57, 507520), (60, 482144), (61, 474240), (64, 452010), (65, 445056), (76, 380640), (78, 370880), (80, 361608), (95, 304512), (96, 301340), (104, 278160), (114, 253760), (120, 241072), (122, 237120), (128, 226005), (130, 222528), (152, 190320), (156, 185440), (160, 180804), (183, 158080), (190, 152256), (192, 150670), (195, 148352), (208, 139080), (228, 126880), (240, 120536), (244, 118560), (247, 117120), (260, 111264), (285, 101504), (304, 95160), (305, 94848), (312, 92720), (320, 90402), (366, 79040), (380, 76128), (384, 75335), (390, 74176), (416, 69540), (456, 63440), (480, 60268), (488, 59280), (494, 58560), (520, 55632), (570, 50752), (608, 47580), (610, 47424), (624, 46360), (640, 45201), (732, 39520), (741, 39040), (760, 38064), (780, 37088), (793, 36480), (832, 34770), (912, 31720), (915, 31616), (960, 30134), (976, 29640), (988, 29280), (1040, 27816), (1140, 25376), (1159, 24960), (1216, 23790), (1220, 23712), (1235, 23424), (1248, 23180), (1464, 19760), (1482, 19520), (1520, 19032), (1560, 18544), (1586, 18240), (1664, 17385), (1824, 15860), (1830, 15808), (1920, 15067), (1952, 14820), (1976, 14640), (2080, 13908), (2280, 12688), (2318, 12480), (2379, 12160), (2432, 11895), (2440, 11856), (2470, 11712), (2496, 11590), (2928, 9880), (2964, 9760), (3040, 9516), (3120, 9272), (3172, 9120), (3477, 8320), (3648, 7930), (3660, 7904), (3705, 7808), (3904, 7410), (3952, 7320), (3965, 7296), (4160, 6954), (4560, 6344), (4636, 6240), (4758, 6080), (4880, 5928), (4940, 5856), (4992, 5795)]