161235960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 505958400

約数和(自身を除く): 344722440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 89, 93, 120, 124, 155, 178, 186, 248, 267, 310, 356, 372, 445, 465, 487, 534, 620, 712, 744, 890, 930, 974, 1068, 1240, 1335, 1461, 1780, 1860, 1948, 2136, 2435, 2670, 2759, 2922, 3560, 3720, 3896, 4870, 5340, 5518, 5844, 7305, 8277, 9740, 10680, 11036, 11688, 13795, 14610, 15097, 16554, 19480, 22072, 27590, 29220, 30194, 33108, 41385, 43343, 45291, 55180, 58440, 60388, 66216, 75485, 82770, 86686, 90582, 110360, 120776, 130029, 150970, 165540, 173372, 181164, 216715, 226455, 260058, 301940, 331080, 346744, 362328, 433430, 452910, 520116, 603880, 650145, 866860, 905820, 1040232, 1300290, 1343633, 1733720, 1811640, 2600580, 2687266, 4030899, 5201160, 5374532, 6718165, 8061798, 10749064, 13436330, 16123596, 20154495, 26872660, 32247192, 40308990, 53745320, 80617980, 161235960]

約数ペア:

[(1, 161235960), (2, 80617980), (3, 53745320), (4, 40308990), (5, 32247192), (6, 26872660), (8, 20154495), (10, 16123596), (12, 13436330), (15, 10749064), (20, 8061798), (24, 6718165), (30, 5374532), (31, 5201160), (40, 4030899), (60, 2687266), (62, 2600580), (89, 1811640), (93, 1733720), (120, 1343633), (124, 1300290), (155, 1040232), (178, 905820), (186, 866860), (248, 650145), (267, 603880), (310, 520116), (356, 452910), (372, 433430), (445, 362328), (465, 346744), (487, 331080), (534, 301940), (620, 260058), (712, 226455), (744, 216715), (890, 181164), (930, 173372), (974, 165540), (1068, 150970), (1240, 130029), (1335, 120776), (1461, 110360), (1780, 90582), (1860, 86686), (1948, 82770), (2136, 75485), (2435, 66216), (2670, 60388), (2759, 58440), (2922, 55180), (3560, 45291), (3720, 43343), (3896, 41385), (4870, 33108), (5340, 30194), (5518, 29220), (5844, 27590), (7305, 22072), (8277, 19480), (9740, 16554), (10680, 15097), (11036, 14610), (11688, 13795)]