159519720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2059

約数の個数: 128

約数和(自身を含む): 516844800

約数和(自身を除く): 357325080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1740, 1993, 2001, 2668, 2760, 3335, 3480, 3986, 4002, 5336, 5979, 6670, 7972, 8004, 9965, 10005, 11958, 13340, 15944, 16008, 19930, 20010, 23916, 26680, 29895, 39860, 40020, 45839, 47832, 57797, 59790, 79720, 80040, 91678, 115594, 119580, 137517, 173391, 183356, 229195, 231188, 239160, 275034, 288985, 346782, 366712, 458390, 462376, 550068, 577970, 687585, 693564, 866955, 916780, 1100136, 1155940, 1329331, 1375170, 1387128, 1733910, 1833560, 2311880, 2658662, 2750340, 3467820, 3987993, 5317324, 5500680, 6646655, 6935640, 7975986, 10634648, 13293310, 15951972, 19939965, 26586620, 31903944, 39879930, 53173240, 79759860, 159519720]

約数ペア:

[(1, 159519720), (2, 79759860), (3, 53173240), (4, 39879930), (5, 31903944), (6, 26586620), (8, 19939965), (10, 15951972), (12, 13293310), (15, 10634648), (20, 7975986), (23, 6935640), (24, 6646655), (29, 5500680), (30, 5317324), (40, 3987993), (46, 3467820), (58, 2750340), (60, 2658662), (69, 2311880), (87, 1833560), (92, 1733910), (115, 1387128), (116, 1375170), (120, 1329331), (138, 1155940), (145, 1100136), (174, 916780), (184, 866955), (230, 693564), (232, 687585), (276, 577970), (290, 550068), (345, 462376), (348, 458390), (435, 366712), (460, 346782), (552, 288985), (580, 275034), (667, 239160), (690, 231188), (696, 229195), (870, 183356), (920, 173391), (1160, 137517), (1334, 119580), (1380, 115594), (1740, 91678), (1993, 80040), (2001, 79720), (2668, 59790), (2760, 57797), (3335, 47832), (3480, 45839), (3986, 40020), (4002, 39860), (5336, 29895), (5979, 26680), (6670, 23916), (7972, 20010), (8004, 19930), (9965, 16008), (10005, 15944), (11958, 13340)]