28083520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 73152000

約数和(自身を除く): 45068480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 149, 152, 155, 160, 190, 248, 298, 304, 310, 320, 380, 496, 589, 596, 608, 620, 745, 760, 992, 1178, 1192, 1216, 1240, 1490, 1520, 1984, 2356, 2384, 2480, 2831, 2945, 2980, 3040, 4619, 4712, 4768, 4960, 5662, 5890, 5960, 6080, 9238, 9424, 9536, 9920, 11324, 11780, 11920, 14155, 18476, 18848, 22648, 23095, 23560, 23840, 28310, 36952, 37696, 45296, 46190, 47120, 47680, 56620, 73904, 87761, 90592, 92380, 94240, 113240, 147808, 175522, 181184, 184760, 188480, 226480, 295616, 351044, 369520, 438805, 452960, 702088, 739040, 877610, 905920, 1404176, 1478080, 1755220, 2808352, 3510440, 5616704, 7020880, 14041760, 28083520]

約数ペア:

[(1, 28083520), (2, 14041760), (4, 7020880), (5, 5616704), (8, 3510440), (10, 2808352), (16, 1755220), (19, 1478080), (20, 1404176), (31, 905920), (32, 877610), (38, 739040), (40, 702088), (62, 452960), (64, 438805), (76, 369520), (80, 351044), (95, 295616), (124, 226480), (149, 188480), (152, 184760), (155, 181184), (160, 175522), (190, 147808), (248, 113240), (298, 94240), (304, 92380), (310, 90592), (320, 87761), (380, 73904), (496, 56620), (589, 47680), (596, 47120), (608, 46190), (620, 45296), (745, 37696), (760, 36952), (992, 28310), (1178, 23840), (1192, 23560), (1216, 23095), (1240, 22648), (1490, 18848), (1520, 18476), (1984, 14155), (2356, 11920), (2384, 11780), (2480, 11324), (2831, 9920), (2945, 9536), (2980, 9424), (3040, 9238), (4619, 6080), (4712, 5960), (4768, 5890), (4960, 5662)]