81963420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 290497536

約数和(自身を除く): 208534116

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 113, 132, 140, 154, 157, 165, 210, 220, 226, 231, 308, 314, 330, 339, 385, 420, 452, 462, 471, 565, 628, 660, 678, 770, 785, 791, 924, 942, 1099, 1130, 1155, 1243, 1356, 1540, 1570, 1582, 1695, 1727, 1884, 2198, 2260, 2310, 2355, 2373, 2486, 3140, 3164, 3297, 3390, 3454, 3729, 3955, 4396, 4620, 4710, 4746, 4972, 5181, 5495, 6215, 6594, 6780, 6908, 7458, 7910, 8635, 8701, 9420, 9492, 10362, 10990, 11865, 12089, 12430, 13188, 14916, 15820, 16485, 17270, 17402, 17741, 18645, 20724, 21980, 23730, 24178, 24860, 25905, 26103, 32970, 34540, 34804, 35482, 36267, 37290, 43505, 47460, 48356, 51810, 52206, 53223, 60445, 65940, 70964, 72534, 74580, 87010, 88705, 103620, 104412, 106446, 120890, 124187, 130515, 145068, 174020, 177410, 181335, 195151, 212892, 241780, 248374, 261030, 266115, 354820, 362670, 372561, 390302, 496748, 522060, 532230, 585453, 620935, 725340, 745122, 780604, 975755, 1064460, 1170906, 1241870, 1366057, 1490244, 1862805, 1951510, 2341812, 2483740, 2732114, 2927265, 3725610, 3903020, 4098171, 5464228, 5854530, 6830285, 7451220, 8196342, 11709060, 13660570, 16392684, 20490855, 27321140, 40981710, 81963420]

約数ペア:

[(1, 81963420), (2, 40981710), (3, 27321140), (4, 20490855), (5, 16392684), (6, 13660570), (7, 11709060), (10, 8196342), (11, 7451220), (12, 6830285), (14, 5854530), (15, 5464228), (20, 4098171), (21, 3903020), (22, 3725610), (28, 2927265), (30, 2732114), (33, 2483740), (35, 2341812), (42, 1951510), (44, 1862805), (55, 1490244), (60, 1366057), (66, 1241870), (70, 1170906), (77, 1064460), (84, 975755), (105, 780604), (110, 745122), (113, 725340), (132, 620935), (140, 585453), (154, 532230), (157, 522060), (165, 496748), (210, 390302), (220, 372561), (226, 362670), (231, 354820), (308, 266115), (314, 261030), (330, 248374), (339, 241780), (385, 212892), (420, 195151), (452, 181335), (462, 177410), (471, 174020), (565, 145068), (628, 130515), (660, 124187), (678, 120890), (770, 106446), (785, 104412), (791, 103620), (924, 88705), (942, 87010), (1099, 74580), (1130, 72534), (1155, 70964), (1243, 65940), (1356, 60445), (1540, 53223), (1570, 52206), (1582, 51810), (1695, 48356), (1727, 47460), (1884, 43505), (2198, 37290), (2260, 36267), (2310, 35482), (2355, 34804), (2373, 34540), (2486, 32970), (3140, 26103), (3164, 25905), (3297, 24860), (3390, 24178), (3454, 23730), (3729, 21980), (3955, 20724), (4396, 18645), (4620, 17741), (4710, 17402), (4746, 17270), (4972, 16485), (5181, 15820), (5495, 14916), (6215, 13188), (6594, 12430), (6780, 12089), (6908, 11865), (7458, 10990), (7910, 10362), (8635, 9492), (8701, 9420)]