645342880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:511

約数の個数: 192

約数和(自身を含む): 1896652800

約数和(自身を除く): 1251309920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 182, 208, 224, 254, 260, 280, 349, 364, 416, 455, 508, 520, 560, 635, 698, 728, 889, 910, 1016, 1040, 1120, 1270, 1396, 1456, 1651, 1745, 1778, 1820, 2032, 2080, 2443, 2540, 2792, 2912, 3302, 3490, 3556, 3640, 4064, 4445, 4537, 4886, 5080, 5584, 6604, 6980, 7112, 7280, 8255, 8890, 9074, 9772, 10160, 11168, 11557, 12215, 13208, 13960, 14224, 14560, 16510, 17780, 18148, 19544, 20320, 22685, 23114, 24430, 26416, 27920, 28448, 31759, 33020, 35560, 36296, 39088, 44323, 45370, 46228, 48860, 52832, 55840, 57785, 63518, 66040, 71120, 72592, 78176, 88646, 90740, 92456, 97720, 115570, 127036, 132080, 142240, 145184, 158795, 177292, 181480, 184912, 195440, 221615, 231140, 254072, 264160, 310261, 317590, 354584, 362960, 369824, 390880, 443230, 462280, 508144, 576199, 620522, 635180, 709168, 725920, 886460, 924560, 1016288, 1152398, 1241044, 1270360, 1418336, 1551305, 1772920, 1849120, 2304796, 2482088, 2540720, 2880995, 3102610, 3545840, 4033393, 4609592, 4964176, 5081440, 5761990, 6205220, 7091680, 8066786, 9219184, 9928352, 11523980, 12410440, 16133572, 18438368, 20166965, 23047960, 24820880, 32267144, 40333930, 46095920, 49641760, 64534288, 80667860, 92191840, 129068576, 161335720, 322671440, 645342880]

約数ペア:

[(1, 645342880), (2, 322671440), (4, 161335720), (5, 129068576), (7, 92191840), (8, 80667860), (10, 64534288), (13, 49641760), (14, 46095920), (16, 40333930), (20, 32267144), (26, 24820880), (28, 23047960), (32, 20166965), (35, 18438368), (40, 16133572), (52, 12410440), (56, 11523980), (65, 9928352), (70, 9219184), (80, 8066786), (91, 7091680), (104, 6205220), (112, 5761990), (127, 5081440), (130, 4964176), (140, 4609592), (160, 4033393), (182, 3545840), (208, 3102610), (224, 2880995), (254, 2540720), (260, 2482088), (280, 2304796), (349, 1849120), (364, 1772920), (416, 1551305), (455, 1418336), (508, 1270360), (520, 1241044), (560, 1152398), (635, 1016288), (698, 924560), (728, 886460), (889, 725920), (910, 709168), (1016, 635180), (1040, 620522), (1120, 576199), (1270, 508144), (1396, 462280), (1456, 443230), (1651, 390880), (1745, 369824), (1778, 362960), (1820, 354584), (2032, 317590), (2080, 310261), (2443, 264160), (2540, 254072), (2792, 231140), (2912, 221615), (3302, 195440), (3490, 184912), (3556, 181480), (3640, 177292), (4064, 158795), (4445, 145184), (4537, 142240), (4886, 132080), (5080, 127036), (5584, 115570), (6604, 97720), (6980, 92456), (7112, 90740), (7280, 88646), (8255, 78176), (8890, 72592), (9074, 71120), (9772, 66040), (10160, 63518), (11168, 57785), (11557, 55840), (12215, 52832), (13208, 48860), (13960, 46228), (14224, 45370), (14560, 44323), (16510, 39088), (17780, 36296), (18148, 35560), (19544, 33020), (20320, 31759), (22685, 28448), (23114, 27920), (24430, 26416)]