513961280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1376

約数の個数: 112

約数和(自身を含む): 1406956800

約数和(自身を除く): 892995520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 199, 224, 280, 320, 398, 448, 560, 796, 995, 1120, 1153, 1393, 1592, 1990, 2240, 2306, 2786, 3184, 3980, 4612, 5572, 5765, 6368, 6965, 7960, 8071, 9224, 11144, 11530, 12736, 13930, 15920, 16142, 18448, 22288, 23060, 27860, 31840, 32284, 36896, 40355, 44576, 46120, 55720, 63680, 64568, 73792, 80710, 89152, 92240, 111440, 129136, 161420, 184480, 222880, 229447, 258272, 322840, 368960, 445760, 458894, 516544, 645680, 917788, 1147235, 1291360, 1606129, 1835576, 2294470, 2582720, 3212258, 3671152, 4588940, 6424516, 7342304, 8030645, 9177880, 12849032, 14684608, 16061290, 18355760, 25698064, 32122580, 36711520, 51396128, 64245160, 73423040, 102792256, 128490320, 256980640, 513961280]

約数ペア:

[(1, 513961280), (2, 256980640), (4, 128490320), (5, 102792256), (7, 73423040), (8, 64245160), (10, 51396128), (14, 36711520), (16, 32122580), (20, 25698064), (28, 18355760), (32, 16061290), (35, 14684608), (40, 12849032), (56, 9177880), (64, 8030645), (70, 7342304), (80, 6424516), (112, 4588940), (140, 3671152), (160, 3212258), (199, 2582720), (224, 2294470), (280, 1835576), (320, 1606129), (398, 1291360), (448, 1147235), (560, 917788), (796, 645680), (995, 516544), (1120, 458894), (1153, 445760), (1393, 368960), (1592, 322840), (1990, 258272), (2240, 229447), (2306, 222880), (2786, 184480), (3184, 161420), (3980, 129136), (4612, 111440), (5572, 92240), (5765, 89152), (6368, 80710), (6965, 73792), (7960, 64568), (8071, 63680), (9224, 55720), (11144, 46120), (11530, 44576), (12736, 40355), (13930, 36896), (15920, 32284), (16142, 31840), (18448, 27860), (22288, 23060)]