240207240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22031

約数の個数: 128

約数和(自身を含む): 886959360

約数和(自身を除く): 646752120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 21997, 43994, 65991, 87988, 109985, 131982, 153979, 175976, 219970, 263964, 285961, 307958, 329955, 439940, 461937, 527928, 571922, 615916, 659910, 769895, 857883, 879880, 923874, 1143844, 1231832, 1319820, 1429805, 1539790, 1715766, 1847748, 2001727, 2287688, 2309685, 2639640, 2859610, 3079580, 3431532, 3695496, 4003454, 4289415, 4619370, 5719220, 6005181, 6159160, 6863064, 8006908, 8578830, 9238740, 10008635, 11438440, 12010362, 16013816, 17157660, 18477480, 20017270, 24020724, 30025905, 34315320, 40034540, 48041448, 60051810, 80069080, 120103620, 240207240]

約数ペア:

[(1, 240207240), (2, 120103620), (3, 80069080), (4, 60051810), (5, 48041448), (6, 40034540), (7, 34315320), (8, 30025905), (10, 24020724), (12, 20017270), (13, 18477480), (14, 17157660), (15, 16013816), (20, 12010362), (21, 11438440), (24, 10008635), (26, 9238740), (28, 8578830), (30, 8006908), (35, 6863064), (39, 6159160), (40, 6005181), (42, 5719220), (52, 4619370), (56, 4289415), (60, 4003454), (65, 3695496), (70, 3431532), (78, 3079580), (84, 2859610), (91, 2639640), (104, 2309685), (105, 2287688), (120, 2001727), (130, 1847748), (140, 1715766), (156, 1539790), (168, 1429805), (182, 1319820), (195, 1231832), (210, 1143844), (260, 923874), (273, 879880), (280, 857883), (312, 769895), (364, 659910), (390, 615916), (420, 571922), (455, 527928), (520, 461937), (546, 439940), (728, 329955), (780, 307958), (840, 285961), (910, 263964), (1092, 219970), (1365, 175976), (1560, 153979), (1820, 131982), (2184, 109985), (2730, 87988), (3640, 65991), (5460, 43994), (10920, 21997)]