28320360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 91791360

約数和(自身を除く): 63471000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 331, 345, 372, 460, 465, 552, 620, 662, 690, 713, 744, 920, 930, 993, 1240, 1324, 1380, 1426, 1655, 1860, 1986, 2139, 2648, 2760, 2852, 3310, 3565, 3720, 3972, 4278, 4965, 5704, 6620, 7130, 7613, 7944, 8556, 9930, 10261, 10695, 13240, 14260, 15226, 17112, 19860, 20522, 21390, 22839, 28520, 30452, 30783, 38065, 39720, 41044, 42780, 45678, 51305, 60904, 61566, 76130, 82088, 85560, 91356, 102610, 114195, 123132, 152260, 153915, 182712, 205220, 228390, 236003, 246264, 304520, 307830, 410440, 456780, 472006, 615660, 708009, 913560, 944012, 1180015, 1231320, 1416018, 1888024, 2360030, 2832036, 3540045, 4720060, 5664072, 7080090, 9440120, 14160180, 28320360]

約数ペア:

[(1, 28320360), (2, 14160180), (3, 9440120), (4, 7080090), (5, 5664072), (6, 4720060), (8, 3540045), (10, 2832036), (12, 2360030), (15, 1888024), (20, 1416018), (23, 1231320), (24, 1180015), (30, 944012), (31, 913560), (40, 708009), (46, 615660), (60, 472006), (62, 456780), (69, 410440), (92, 307830), (93, 304520), (115, 246264), (120, 236003), (124, 228390), (138, 205220), (155, 182712), (184, 153915), (186, 152260), (230, 123132), (248, 114195), (276, 102610), (310, 91356), (331, 85560), (345, 82088), (372, 76130), (460, 61566), (465, 60904), (552, 51305), (620, 45678), (662, 42780), (690, 41044), (713, 39720), (744, 38065), (920, 30783), (930, 30452), (993, 28520), (1240, 22839), (1324, 21390), (1380, 20522), (1426, 19860), (1655, 17112), (1860, 15226), (1986, 14260), (2139, 13240), (2648, 10695), (2760, 10261), (2852, 9930), (3310, 8556), (3565, 7944), (3720, 7613), (3972, 7130), (4278, 6620), (4965, 5704)]