15704216920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{3769}}^1$

素因数の和:4457

約数の個数: 128

約数和(自身を含む): 42214348800

約数和(自身を除く): 26510131880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 647, 805, 920, 1288, 1294, 1610, 2588, 3220, 3235, 3769, 4529, 5176, 6440, 6470, 7538, 9058, 12940, 14881, 15076, 18116, 18845, 22645, 25880, 26383, 29762, 30152, 36232, 37690, 45290, 52766, 59524, 74405, 75380, 86687, 90580, 104167, 105532, 119048, 131915, 148810, 150760, 173374, 181160, 208334, 211064, 263830, 297620, 346748, 416668, 433435, 520835, 527660, 595240, 606809, 693496, 833336, 866870, 1041670, 1055320, 1213618, 1733740, 2083340, 2427236, 2438543, 3034045, 3467480, 4166680, 4854472, 4877086, 6068090, 9754172, 12136180, 12192715, 17069801, 19508344, 24272360, 24385430, 34139602, 48770860, 56086489, 68279204, 85349005, 97541720, 112172978, 136558408, 170698010, 224345956, 280432445, 341396020, 392605423, 448691912, 560864890, 682792040, 785210846, 1121729780, 1570421692, 1963027115, 2243459560, 3140843384, 3926054230, 7852108460, 15704216920]

約数ペア:

[(1, 15704216920), (2, 7852108460), (4, 3926054230), (5, 3140843384), (7, 2243459560), (8, 1963027115), (10, 1570421692), (14, 1121729780), (20, 785210846), (23, 682792040), (28, 560864890), (35, 448691912), (40, 392605423), (46, 341396020), (56, 280432445), (70, 224345956), (92, 170698010), (115, 136558408), (140, 112172978), (161, 97541720), (184, 85349005), (230, 68279204), (280, 56086489), (322, 48770860), (460, 34139602), (644, 24385430), (647, 24272360), (805, 19508344), (920, 17069801), (1288, 12192715), (1294, 12136180), (1610, 9754172), (2588, 6068090), (3220, 4877086), (3235, 4854472), (3769, 4166680), (4529, 3467480), (5176, 3034045), (6440, 2438543), (6470, 2427236), (7538, 2083340), (9058, 1733740), (12940, 1213618), (14881, 1055320), (15076, 1041670), (18116, 866870), (18845, 833336), (22645, 693496), (25880, 606809), (26383, 595240), (29762, 527660), (30152, 520835), (36232, 433435), (37690, 416668), (45290, 346748), (52766, 297620), (59524, 263830), (74405, 211064), (75380, 208334), (86687, 181160), (90580, 173374), (104167, 150760), (105532, 148810), (119048, 131915)]