156565240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 408240000

約数和(自身を除く): 251674760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 89, 104, 130, 136, 170, 178, 199, 221, 260, 340, 356, 398, 442, 445, 520, 680, 712, 796, 884, 890, 995, 1105, 1157, 1513, 1592, 1768, 1780, 1990, 2210, 2314, 2587, 3026, 3383, 3560, 3980, 4420, 4628, 5174, 5785, 6052, 6766, 7565, 7960, 8840, 9256, 10348, 11570, 12104, 12935, 13532, 15130, 16915, 17711, 19669, 20696, 23140, 25870, 27064, 30260, 33830, 35422, 39338, 43979, 46280, 51740, 60520, 67660, 70844, 78676, 87958, 88555, 98345, 103480, 135320, 141688, 157352, 175916, 177110, 196690, 219895, 230243, 301087, 351832, 354220, 393380, 439790, 460486, 602174, 708440, 786760, 879580, 920972, 1151215, 1204348, 1505435, 1759160, 1841944, 2302430, 2408696, 3010870, 3914131, 4604860, 6021740, 7828262, 9209720, 12043480, 15656524, 19570655, 31313048, 39141310, 78282620, 156565240]

約数ペア:

[(1, 156565240), (2, 78282620), (4, 39141310), (5, 31313048), (8, 19570655), (10, 15656524), (13, 12043480), (17, 9209720), (20, 7828262), (26, 6021740), (34, 4604860), (40, 3914131), (52, 3010870), (65, 2408696), (68, 2302430), (85, 1841944), (89, 1759160), (104, 1505435), (130, 1204348), (136, 1151215), (170, 920972), (178, 879580), (199, 786760), (221, 708440), (260, 602174), (340, 460486), (356, 439790), (398, 393380), (442, 354220), (445, 351832), (520, 301087), (680, 230243), (712, 219895), (796, 196690), (884, 177110), (890, 175916), (995, 157352), (1105, 141688), (1157, 135320), (1513, 103480), (1592, 98345), (1768, 88555), (1780, 87958), (1990, 78676), (2210, 70844), (2314, 67660), (2587, 60520), (3026, 51740), (3383, 46280), (3560, 43979), (3980, 39338), (4420, 35422), (4628, 33830), (5174, 30260), (5785, 27064), (6052, 25870), (6766, 23140), (7565, 20696), (7960, 19669), (8840, 17711), (9256, 16915), (10348, 15130), (11570, 13532), (12104, 12935)]