1254826880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2789}}^1$

素因数の和:2864

約数の個数: 128

約数和(自身を含む): 3244212000

約数和(自身を除く): 1989385120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 296, 304, 320, 370, 380, 592, 608, 640, 703, 740, 760, 1184, 1216, 1406, 1480, 1520, 2368, 2432, 2789, 2812, 2960, 3040, 3515, 4736, 5578, 5624, 5920, 6080, 7030, 11156, 11248, 11840, 12160, 13945, 14060, 22312, 22496, 23680, 27890, 28120, 44624, 44992, 52991, 55780, 56240, 89248, 89984, 103193, 105982, 111560, 112480, 178496, 206386, 211964, 223120, 224960, 264955, 356992, 412772, 423928, 446240, 449920, 515965, 529910, 825544, 847856, 892480, 1031930, 1059820, 1651088, 1695712, 1784960, 1960667, 2063860, 2119640, 3302176, 3391424, 3921334, 4127720, 4239280, 6604352, 6782848, 7842668, 8255440, 8478560, 9803335, 13208704, 15685336, 16510880, 16957120, 19606670, 31370672, 33021760, 33914240, 39213340, 62741344, 66043520, 78426680, 125482688, 156853360, 250965376, 313706720, 627413440, 1254826880]

約数ペア:

[(1, 1254826880), (2, 627413440), (4, 313706720), (5, 250965376), (8, 156853360), (10, 125482688), (16, 78426680), (19, 66043520), (20, 62741344), (32, 39213340), (37, 33914240), (38, 33021760), (40, 31370672), (64, 19606670), (74, 16957120), (76, 16510880), (80, 15685336), (95, 13208704), (128, 9803335), (148, 8478560), (152, 8255440), (160, 7842668), (185, 6782848), (190, 6604352), (296, 4239280), (304, 4127720), (320, 3921334), (370, 3391424), (380, 3302176), (592, 2119640), (608, 2063860), (640, 1960667), (703, 1784960), (740, 1695712), (760, 1651088), (1184, 1059820), (1216, 1031930), (1406, 892480), (1480, 847856), (1520, 825544), (2368, 529910), (2432, 515965), (2789, 449920), (2812, 446240), (2960, 423928), (3040, 412772), (3515, 356992), (4736, 264955), (5578, 224960), (5624, 223120), (5920, 211964), (6080, 206386), (7030, 178496), (11156, 112480), (11248, 111560), (11840, 105982), (12160, 103193), (13945, 89984), (14060, 89248), (22312, 56240), (22496, 55780), (23680, 52991), (27890, 44992), (28120, 44624)]