15590640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 160

約数和(自身を含む): 54996480

約数和(自身を除く): 39405840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 263, 285, 304, 312, 380, 390, 456, 494, 520, 526, 570, 624, 741, 760, 780, 789, 912, 988, 1040, 1052, 1140, 1235, 1315, 1482, 1520, 1560, 1578, 1976, 2104, 2280, 2470, 2630, 2964, 3120, 3156, 3419, 3705, 3945, 3952, 4208, 4560, 4940, 4997, 5260, 5928, 6312, 6838, 7410, 7890, 9880, 9994, 10257, 10520, 11856, 12624, 13676, 14820, 14991, 15780, 17095, 19760, 19988, 20514, 21040, 24985, 27352, 29640, 29982, 31560, 34190, 39976, 41028, 49970, 51285, 54704, 59280, 59964, 63120, 64961, 68380, 74955, 79952, 82056, 99940, 102570, 119928, 129922, 136760, 149910, 164112, 194883, 199880, 205140, 239856, 259844, 273520, 299820, 324805, 389766, 399760, 410280, 519688, 599640, 649610, 779532, 820560, 974415, 1039376, 1199280, 1299220, 1559064, 1948830, 2598440, 3118128, 3897660, 5196880, 7795320, 15590640]

約数ペア:

[(1, 15590640), (2, 7795320), (3, 5196880), (4, 3897660), (5, 3118128), (6, 2598440), (8, 1948830), (10, 1559064), (12, 1299220), (13, 1199280), (15, 1039376), (16, 974415), (19, 820560), (20, 779532), (24, 649610), (26, 599640), (30, 519688), (38, 410280), (39, 399760), (40, 389766), (48, 324805), (52, 299820), (57, 273520), (60, 259844), (65, 239856), (76, 205140), (78, 199880), (80, 194883), (95, 164112), (104, 149910), (114, 136760), (120, 129922), (130, 119928), (152, 102570), (156, 99940), (190, 82056), (195, 79952), (208, 74955), (228, 68380), (240, 64961), (247, 63120), (260, 59964), (263, 59280), (285, 54704), (304, 51285), (312, 49970), (380, 41028), (390, 39976), (456, 34190), (494, 31560), (520, 29982), (526, 29640), (570, 27352), (624, 24985), (741, 21040), (760, 20514), (780, 19988), (789, 19760), (912, 17095), (988, 15780), (1040, 14991), (1052, 14820), (1140, 13676), (1235, 12624), (1315, 11856), (1482, 10520), (1520, 10257), (1560, 9994), (1578, 9880), (1976, 7890), (2104, 7410), (2280, 6838), (2470, 6312), (2630, 5928), (2964, 5260), (3120, 4997), (3156, 4940), (3419, 4560), (3705, 4208), (3945, 3952)]