2015520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 192

約数和(自身を含む): 7620480

約数和(自身を除く): 5604960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 19, 20, 24, 26, 30, 32, 34, 38, 39, 40, 48, 51, 52, 57, 60, 65, 68, 76, 78, 80, 85, 95, 96, 102, 104, 114, 120, 130, 136, 152, 156, 160, 170, 190, 195, 204, 208, 221, 228, 240, 247, 255, 260, 272, 285, 304, 312, 323, 340, 380, 390, 408, 416, 442, 456, 480, 494, 510, 520, 544, 570, 608, 624, 646, 663, 680, 741, 760, 780, 816, 884, 912, 969, 988, 1020, 1040, 1105, 1140, 1235, 1248, 1292, 1326, 1360, 1482, 1520, 1560, 1615, 1632, 1768, 1824, 1938, 1976, 2040, 2080, 2210, 2280, 2470, 2584, 2652, 2720, 2964, 3040, 3120, 3230, 3315, 3536, 3705, 3876, 3952, 4080, 4199, 4420, 4560, 4845, 4940, 5168, 5304, 5928, 6240, 6460, 6630, 7072, 7410, 7752, 7904, 8160, 8398, 8840, 9120, 9690, 9880, 10336, 10608, 11856, 12597, 12920, 13260, 14820, 15504, 16796, 17680, 19380, 19760, 20995, 21216, 23712, 25194, 25840, 26520, 29640, 31008, 33592, 35360, 38760, 39520, 41990, 50388, 51680, 53040, 59280, 62985, 67184, 77520, 83980, 100776, 106080, 118560, 125970, 134368, 155040, 167960, 201552, 251940, 335920, 403104, 503880, 671840, 1007760, 2015520]

約数ペア:

[(1, 2015520), (2, 1007760), (3, 671840), (4, 503880), (5, 403104), (6, 335920), (8, 251940), (10, 201552), (12, 167960), (13, 155040), (15, 134368), (16, 125970), (17, 118560), (19, 106080), (20, 100776), (24, 83980), (26, 77520), (30, 67184), (32, 62985), (34, 59280), (38, 53040), (39, 51680), (40, 50388), (48, 41990), (51, 39520), (52, 38760), (57, 35360), (60, 33592), (65, 31008), (68, 29640), (76, 26520), (78, 25840), (80, 25194), (85, 23712), (95, 21216), (96, 20995), (102, 19760), (104, 19380), (114, 17680), (120, 16796), (130, 15504), (136, 14820), (152, 13260), (156, 12920), (160, 12597), (170, 11856), (190, 10608), (195, 10336), (204, 9880), (208, 9690), (221, 9120), (228, 8840), (240, 8398), (247, 8160), (255, 7904), (260, 7752), (272, 7410), (285, 7072), (304, 6630), (312, 6460), (323, 6240), (340, 5928), (380, 5304), (390, 5168), (408, 4940), (416, 4845), (442, 4560), (456, 4420), (480, 4199), (494, 4080), (510, 3952), (520, 3876), (544, 3705), (570, 3536), (608, 3315), (624, 3230), (646, 3120), (663, 3040), (680, 2964), (741, 2720), (760, 2652), (780, 2584), (816, 2470), (884, 2280), (912, 2210), (969, 2080), (988, 2040), (1020, 1976), (1040, 1938), (1105, 1824), (1140, 1768), (1235, 1632), (1248, 1615), (1292, 1560), (1326, 1520), (1360, 1482)]