208806780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 192

約数和(自身を含む): 727050240

約数和(自身を除く): 518243460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 167, 182, 195, 210, 229, 260, 273, 334, 364, 390, 420, 455, 458, 501, 546, 668, 687, 780, 835, 910, 916, 1002, 1092, 1145, 1169, 1365, 1374, 1603, 1670, 1820, 2004, 2171, 2290, 2338, 2505, 2730, 2748, 2977, 3206, 3340, 3435, 3507, 4342, 4580, 4676, 4809, 5010, 5460, 5845, 5954, 6412, 6513, 6870, 7014, 8015, 8684, 8931, 9618, 10020, 10855, 11690, 11908, 13026, 13740, 14028, 14885, 15197, 16030, 17535, 17862, 19236, 20839, 21710, 23380, 24045, 26052, 29770, 30394, 32060, 32565, 35070, 35724, 38243, 41678, 43420, 44655, 45591, 48090, 59540, 60788, 62517, 65130, 70140, 75985, 76486, 83356, 89310, 91182, 96180, 104195, 114729, 125034, 130260, 151970, 152972, 178620, 182364, 191215, 208390, 227955, 229458, 250068, 267701, 303940, 312585, 382430, 416780, 455910, 458916, 497159, 535402, 573645, 625170, 764860, 803103, 911820, 994318, 1070804, 1147290, 1250340, 1338505, 1491477, 1606206, 1988636, 2294580, 2485795, 2677010, 2982954, 3212412, 3480113, 4015515, 4971590, 5354020, 5965908, 6960226, 7457385, 8031030, 9943180, 10440339, 13920452, 14914770, 16062060, 17400565, 20880678, 29829540, 34801130, 41761356, 52201695, 69602260, 104403390, 208806780]

約数ペア:

[(1, 208806780), (2, 104403390), (3, 69602260), (4, 52201695), (5, 41761356), (6, 34801130), (7, 29829540), (10, 20880678), (12, 17400565), (13, 16062060), (14, 14914770), (15, 13920452), (20, 10440339), (21, 9943180), (26, 8031030), (28, 7457385), (30, 6960226), (35, 5965908), (39, 5354020), (42, 4971590), (52, 4015515), (60, 3480113), (65, 3212412), (70, 2982954), (78, 2677010), (84, 2485795), (91, 2294580), (105, 1988636), (130, 1606206), (140, 1491477), (156, 1338505), (167, 1250340), (182, 1147290), (195, 1070804), (210, 994318), (229, 911820), (260, 803103), (273, 764860), (334, 625170), (364, 573645), (390, 535402), (420, 497159), (455, 458916), (458, 455910), (501, 416780), (546, 382430), (668, 312585), (687, 303940), (780, 267701), (835, 250068), (910, 229458), (916, 227955), (1002, 208390), (1092, 191215), (1145, 182364), (1169, 178620), (1365, 152972), (1374, 151970), (1603, 130260), (1670, 125034), (1820, 114729), (2004, 104195), (2171, 96180), (2290, 91182), (2338, 89310), (2505, 83356), (2730, 76486), (2748, 75985), (2977, 70140), (3206, 65130), (3340, 62517), (3435, 60788), (3507, 59540), (4342, 48090), (4580, 45591), (4676, 44655), (4809, 43420), (5010, 41678), (5460, 38243), (5845, 35724), (5954, 35070), (6412, 32565), (6513, 32060), (6870, 30394), (7014, 29770), (8015, 26052), (8684, 24045), (8931, 23380), (9618, 21710), (10020, 20839), (10855, 19236), (11690, 17862), (11908, 17535), (13026, 16030), (13740, 15197), (14028, 14885)]