1553399680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1289}}^1$

素因数の和:1584

約数の個数: 128

約数和(自身を含む): 4263192000

約数和(自身を除く): 2709792320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 269, 280, 320, 448, 538, 560, 640, 896, 1076, 1120, 1289, 1345, 1883, 2152, 2240, 2578, 2690, 3766, 4304, 4480, 5156, 5380, 6445, 7532, 8608, 9023, 9415, 10312, 10760, 12890, 15064, 17216, 18046, 18830, 20624, 21520, 25780, 30128, 34432, 36092, 37660, 41248, 43040, 45115, 51560, 60256, 72184, 75320, 82496, 86080, 90230, 103120, 120512, 144368, 150640, 164992, 172160, 180460, 206240, 241024, 288736, 301280, 346741, 360920, 412480, 577472, 602560, 693482, 721840, 824960, 1154944, 1205120, 1386964, 1443680, 1733705, 2427187, 2773928, 2887360, 3467410, 4854374, 5547856, 5774720, 6934820, 9708748, 11095712, 12135935, 13869640, 19417496, 22191424, 24271870, 27739280, 38834992, 44382848, 48543740, 55478560, 77669984, 97087480, 110957120, 155339968, 194174960, 221914240, 310679936, 388349920, 776699840, 1553399680]

約数ペア:

[(1, 1553399680), (2, 776699840), (4, 388349920), (5, 310679936), (7, 221914240), (8, 194174960), (10, 155339968), (14, 110957120), (16, 97087480), (20, 77669984), (28, 55478560), (32, 48543740), (35, 44382848), (40, 38834992), (56, 27739280), (64, 24271870), (70, 22191424), (80, 19417496), (112, 13869640), (128, 12135935), (140, 11095712), (160, 9708748), (224, 6934820), (269, 5774720), (280, 5547856), (320, 4854374), (448, 3467410), (538, 2887360), (560, 2773928), (640, 2427187), (896, 1733705), (1076, 1443680), (1120, 1386964), (1289, 1205120), (1345, 1154944), (1883, 824960), (2152, 721840), (2240, 693482), (2578, 602560), (2690, 577472), (3766, 412480), (4304, 360920), (4480, 346741), (5156, 301280), (5380, 288736), (6445, 241024), (7532, 206240), (8608, 180460), (9023, 172160), (9415, 164992), (10312, 150640), (10760, 144368), (12890, 120512), (15064, 103120), (17216, 90230), (18046, 86080), (18830, 82496), (20624, 75320), (21520, 72184), (25780, 60256), (30128, 51560), (34432, 45115), (36092, 43040), (37660, 41248)]