204339720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{130987}}^1$

素因数の和:131014

約数の個数: 64

約数和(自身を含む): 660179520

約数和(自身を除く): 455839800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 130987, 261974, 392961, 523948, 654935, 785922, 1047896, 1309870, 1571844, 1702831, 1964805, 2619740, 3143688, 3405662, 3929610, 5108493, 5239480, 6811324, 7859220, 8514155, 10216986, 13622648, 15718440, 17028310, 20433972, 25542465, 34056620, 40867944, 51084930, 68113240, 102169860, 204339720]

約数ペア:

[(1, 204339720), (2, 102169860), (3, 68113240), (4, 51084930), (5, 40867944), (6, 34056620), (8, 25542465), (10, 20433972), (12, 17028310), (13, 15718440), (15, 13622648), (20, 10216986), (24, 8514155), (26, 7859220), (30, 6811324), (39, 5239480), (40, 5108493), (52, 3929610), (60, 3405662), (65, 3143688), (78, 2619740), (104, 1964805), (120, 1702831), (130, 1571844), (156, 1309870), (195, 1047896), (260, 785922), (312, 654935), (390, 523948), (520, 392961), (780, 261974), (1560, 130987)]