278458440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1733}}^1$

素因数の和:1863

約数の個数: 128

約数和(自身を含む): 908893440

約数和(自身を除く): 630435000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 390, 412, 515, 520, 618, 780, 824, 1030, 1236, 1339, 1545, 1560, 1733, 2060, 2472, 2678, 3090, 3466, 4017, 4120, 5199, 5356, 6180, 6695, 6932, 8034, 8665, 10398, 10712, 12360, 13390, 13864, 16068, 17330, 20085, 20796, 22529, 25995, 26780, 32136, 34660, 40170, 41592, 45058, 51990, 53560, 67587, 69320, 80340, 90116, 103980, 112645, 135174, 160680, 178499, 180232, 207960, 225290, 270348, 337935, 356998, 450580, 535497, 540696, 675870, 713996, 892495, 901160, 1070994, 1351740, 1427992, 1784990, 2141988, 2320487, 2677485, 2703480, 3569980, 4283976, 4640974, 5354970, 6961461, 7139960, 9281948, 10709940, 11602435, 13922922, 18563896, 21419880, 23204870, 27845844, 34807305, 46409740, 55691688, 69614610, 92819480, 139229220, 278458440]

約数ペア:

[(1, 278458440), (2, 139229220), (3, 92819480), (4, 69614610), (5, 55691688), (6, 46409740), (8, 34807305), (10, 27845844), (12, 23204870), (13, 21419880), (15, 18563896), (20, 13922922), (24, 11602435), (26, 10709940), (30, 9281948), (39, 7139960), (40, 6961461), (52, 5354970), (60, 4640974), (65, 4283976), (78, 3569980), (103, 2703480), (104, 2677485), (120, 2320487), (130, 2141988), (156, 1784990), (195, 1427992), (206, 1351740), (260, 1070994), (309, 901160), (312, 892495), (390, 713996), (412, 675870), (515, 540696), (520, 535497), (618, 450580), (780, 356998), (824, 337935), (1030, 270348), (1236, 225290), (1339, 207960), (1545, 180232), (1560, 178499), (1733, 160680), (2060, 135174), (2472, 112645), (2678, 103980), (3090, 90116), (3466, 80340), (4017, 69320), (4120, 67587), (5199, 53560), (5356, 51990), (6180, 45058), (6695, 41592), (6932, 40170), (8034, 34660), (8665, 32136), (10398, 26780), (10712, 25995), (12360, 22529), (13390, 20796), (13864, 20085), (16068, 17330)]