156988455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 313528320

約数和(自身を除く): 156539865

約数列:

[1, 3, 5, 13, 15, 17, 23, 29, 39, 51, 65, 69, 71, 85, 87, 115, 145, 195, 213, 221, 255, 299, 345, 355, 377, 391, 435, 493, 663, 667, 897, 923, 1065, 1105, 1131, 1173, 1207, 1479, 1495, 1633, 1885, 1955, 2001, 2059, 2465, 2769, 3315, 3335, 3621, 4485, 4615, 4899, 5083, 5655, 5865, 6035, 6177, 6409, 7395, 8165, 8671, 10005, 10295, 11339, 13845, 15249, 15691, 18105, 19227, 21229, 24495, 25415, 26013, 26767, 27761, 30885, 32045, 34017, 35003, 43355, 47073, 47357, 56695, 63687, 76245, 78455, 80301, 83283, 96135, 105009, 106145, 130065, 133835, 138805, 142071, 147407, 170085, 175015, 235365, 236785, 318435, 360893, 401505, 416415, 442221, 455039, 525045, 615641, 710355, 737035, 805069, 1082679, 1365117, 1804465, 1846923, 2211105, 2275195, 2415207, 3078205, 4025345, 5413395, 6825585, 9234615, 10465897, 12076035, 31397691, 52329485, 156988455]

約数ペア:

[(1, 156988455), (3, 52329485), (5, 31397691), (13, 12076035), (15, 10465897), (17, 9234615), (23, 6825585), (29, 5413395), (39, 4025345), (51, 3078205), (65, 2415207), (69, 2275195), (71, 2211105), (85, 1846923), (87, 1804465), (115, 1365117), (145, 1082679), (195, 805069), (213, 737035), (221, 710355), (255, 615641), (299, 525045), (345, 455039), (355, 442221), (377, 416415), (391, 401505), (435, 360893), (493, 318435), (663, 236785), (667, 235365), (897, 175015), (923, 170085), (1065, 147407), (1105, 142071), (1131, 138805), (1173, 133835), (1207, 130065), (1479, 106145), (1495, 105009), (1633, 96135), (1885, 83283), (1955, 80301), (2001, 78455), (2059, 76245), (2465, 63687), (2769, 56695), (3315, 47357), (3335, 47073), (3621, 43355), (4485, 35003), (4615, 34017), (4899, 32045), (5083, 30885), (5655, 27761), (5865, 26767), (6035, 26013), (6177, 25415), (6409, 24495), (7395, 21229), (8165, 19227), (8671, 18105), (10005, 15691), (10295, 15249), (11339, 13845)]