77771760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 160

約数和(自身を含む): 266768640

約数和(自身を除く): 188996880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 89, 110, 120, 132, 165, 176, 178, 220, 240, 264, 267, 330, 331, 356, 440, 445, 528, 534, 660, 662, 712, 880, 890, 979, 993, 1068, 1320, 1324, 1335, 1424, 1655, 1780, 1958, 1986, 2136, 2640, 2648, 2670, 2937, 3310, 3560, 3641, 3916, 3972, 4272, 4895, 4965, 5296, 5340, 5874, 6620, 7120, 7282, 7832, 7944, 9790, 9930, 10680, 10923, 11748, 13240, 14564, 14685, 15664, 15888, 18205, 19580, 19860, 21360, 21846, 23496, 26480, 29128, 29370, 29459, 36410, 39160, 39720, 43692, 46992, 54615, 58256, 58740, 58918, 72820, 78320, 79440, 87384, 88377, 109230, 117480, 117836, 145640, 147295, 174768, 176754, 218460, 234960, 235672, 291280, 294590, 324049, 353508, 436920, 441885, 471344, 589180, 648098, 707016, 873840, 883770, 972147, 1178360, 1296196, 1414032, 1620245, 1767540, 1944294, 2356720, 2592392, 3240490, 3535080, 3888588, 4860735, 5184784, 6480980, 7070160, 7777176, 9721470, 12961960, 15554352, 19442940, 25923920, 38885880, 77771760]

約数ペア:

[(1, 77771760), (2, 38885880), (3, 25923920), (4, 19442940), (5, 15554352), (6, 12961960), (8, 9721470), (10, 7777176), (11, 7070160), (12, 6480980), (15, 5184784), (16, 4860735), (20, 3888588), (22, 3535080), (24, 3240490), (30, 2592392), (33, 2356720), (40, 1944294), (44, 1767540), (48, 1620245), (55, 1414032), (60, 1296196), (66, 1178360), (80, 972147), (88, 883770), (89, 873840), (110, 707016), (120, 648098), (132, 589180), (165, 471344), (176, 441885), (178, 436920), (220, 353508), (240, 324049), (264, 294590), (267, 291280), (330, 235672), (331, 234960), (356, 218460), (440, 176754), (445, 174768), (528, 147295), (534, 145640), (660, 117836), (662, 117480), (712, 109230), (880, 88377), (890, 87384), (979, 79440), (993, 78320), (1068, 72820), (1320, 58918), (1324, 58740), (1335, 58256), (1424, 54615), (1655, 46992), (1780, 43692), (1958, 39720), (1986, 39160), (2136, 36410), (2640, 29459), (2648, 29370), (2670, 29128), (2937, 26480), (3310, 23496), (3560, 21846), (3641, 21360), (3916, 19860), (3972, 19580), (4272, 18205), (4895, 15888), (4965, 15664), (5296, 14685), (5340, 14564), (5874, 13240), (6620, 11748), (7120, 10923), (7282, 10680), (7832, 9930), (7944, 9790)]