19898799720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{2927}}^1$

素因数の和:3435

約数の個数: 128

約数和(自身を含む): 60238563840

約数和(自身を除く): 40339764120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 181, 313, 362, 543, 626, 724, 905, 939, 1086, 1252, 1448, 1565, 1810, 1878, 2172, 2504, 2715, 2927, 3130, 3620, 3756, 4344, 4695, 5430, 5854, 6260, 7240, 7512, 8781, 9390, 10860, 11708, 12520, 14635, 17562, 18780, 21720, 23416, 29270, 35124, 37560, 43905, 56653, 58540, 70248, 87810, 113306, 117080, 169959, 175620, 226612, 283265, 339918, 351240, 453224, 529787, 566530, 679836, 849795, 916151, 1059574, 1133060, 1359672, 1589361, 1699590, 1832302, 2119148, 2266120, 2648935, 2748453, 3178722, 3399180, 3664604, 4238296, 4580755, 5297870, 5496906, 6357444, 6798360, 7329208, 7946805, 9161510, 10595740, 10993812, 12714888, 13742265, 15893610, 18323020, 21191480, 21987624, 27484530, 31787220, 36646040, 54969060, 63574440, 109938120, 165823331, 331646662, 497469993, 663293324, 829116655, 994939986, 1326586648, 1658233310, 1989879972, 2487349965, 3316466620, 3979759944, 4974699930, 6632933240, 9949399860, 19898799720]

約数ペア:

[(1, 19898799720), (2, 9949399860), (3, 6632933240), (4, 4974699930), (5, 3979759944), (6, 3316466620), (8, 2487349965), (10, 1989879972), (12, 1658233310), (15, 1326586648), (20, 994939986), (24, 829116655), (30, 663293324), (40, 497469993), (60, 331646662), (120, 165823331), (181, 109938120), (313, 63574440), (362, 54969060), (543, 36646040), (626, 31787220), (724, 27484530), (905, 21987624), (939, 21191480), (1086, 18323020), (1252, 15893610), (1448, 13742265), (1565, 12714888), (1810, 10993812), (1878, 10595740), (2172, 9161510), (2504, 7946805), (2715, 7329208), (2927, 6798360), (3130, 6357444), (3620, 5496906), (3756, 5297870), (4344, 4580755), (4695, 4238296), (5430, 3664604), (5854, 3399180), (6260, 3178722), (7240, 2748453), (7512, 2648935), (8781, 2266120), (9390, 2119148), (10860, 1832302), (11708, 1699590), (12520, 1589361), (14635, 1359672), (17562, 1133060), (18780, 1059574), (21720, 916151), (23416, 849795), (29270, 679836), (35124, 566530), (37560, 529787), (43905, 453224), (56653, 351240), (58540, 339918), (70248, 283265), (87810, 226612), (113306, 175620), (117080, 169959)]