2809030480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{863}}^1$

素因数の和:989

約数の個数: 160

約数和(自身を含む): 7173826560

約数和(自身を除く): 4364796080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 61, 80, 92, 115, 116, 122, 145, 184, 230, 232, 244, 290, 305, 368, 460, 464, 488, 580, 610, 667, 863, 920, 976, 1160, 1220, 1334, 1403, 1726, 1769, 1840, 2320, 2440, 2668, 2806, 3335, 3452, 3538, 4315, 4880, 5336, 5612, 6670, 6904, 7015, 7076, 8630, 8845, 10672, 11224, 13340, 13808, 14030, 14152, 17260, 17690, 19849, 22448, 25027, 26680, 28060, 28304, 34520, 35380, 39698, 40687, 50054, 52643, 53360, 56120, 69040, 70760, 79396, 81374, 99245, 100108, 105286, 112240, 125135, 141520, 158792, 162748, 198490, 200216, 203435, 210572, 250270, 263215, 317584, 325496, 396980, 400432, 406870, 421144, 500540, 526430, 575621, 650992, 793960, 813740, 842288, 1001080, 1052860, 1151242, 1210789, 1526647, 1587920, 1627480, 2002160, 2105720, 2302484, 2421578, 2878105, 3053294, 3254960, 4211440, 4604968, 4843156, 5756210, 6053945, 6106588, 7633235, 9209936, 9686312, 11512420, 12107890, 12213176, 15266470, 19372624, 23024840, 24215780, 24426352, 30532940, 35112881, 46049680, 48431560, 61065880, 70225762, 96863120, 122131760, 140451524, 175564405, 280903048, 351128810, 561806096, 702257620, 1404515240, 2809030480]

約数ペア:

[(1, 2809030480), (2, 1404515240), (4, 702257620), (5, 561806096), (8, 351128810), (10, 280903048), (16, 175564405), (20, 140451524), (23, 122131760), (29, 96863120), (40, 70225762), (46, 61065880), (58, 48431560), (61, 46049680), (80, 35112881), (92, 30532940), (115, 24426352), (116, 24215780), (122, 23024840), (145, 19372624), (184, 15266470), (230, 12213176), (232, 12107890), (244, 11512420), (290, 9686312), (305, 9209936), (368, 7633235), (460, 6106588), (464, 6053945), (488, 5756210), (580, 4843156), (610, 4604968), (667, 4211440), (863, 3254960), (920, 3053294), (976, 2878105), (1160, 2421578), (1220, 2302484), (1334, 2105720), (1403, 2002160), (1726, 1627480), (1769, 1587920), (1840, 1526647), (2320, 1210789), (2440, 1151242), (2668, 1052860), (2806, 1001080), (3335, 842288), (3452, 813740), (3538, 793960), (4315, 650992), (4880, 575621), (5336, 526430), (5612, 500540), (6670, 421144), (6904, 406870), (7015, 400432), (7076, 396980), (8630, 325496), (8845, 317584), (10672, 263215), (11224, 250270), (13340, 210572), (13808, 203435), (14030, 200216), (14152, 198490), (17260, 162748), (17690, 158792), (19849, 141520), (22448, 125135), (25027, 112240), (26680, 105286), (28060, 100108), (28304, 99245), (34520, 81374), (35380, 79396), (39698, 70760), (40687, 69040), (50054, 56120), (52643, 53360)]