81192778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{20663}}^1$

素因数の和:20836

約数の個数: 192

約数和(自身を含む): 223956762624

約数和(自身を除く): 142763983684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 127, 130, 140, 170, 182, 221, 238, 254, 260, 340, 364, 442, 455, 476, 508, 595, 635, 884, 889, 910, 1105, 1190, 1270, 1547, 1651, 1778, 1820, 2159, 2210, 2380, 2540, 3094, 3302, 3556, 4318, 4420, 4445, 6188, 6604, 7735, 8255, 8636, 8890, 10795, 11557, 15113, 15470, 16510, 17780, 20663, 21590, 23114, 28067, 30226, 30940, 33020, 41326, 43180, 46228, 56134, 57785, 60452, 75565, 82652, 103315, 112268, 115570, 140335, 144641, 151130, 196469, 206630, 231140, 268619, 280670, 289282, 302260, 351271, 392938, 413260, 537238, 561340, 578564, 702542, 723205, 785876, 982345, 1074476, 1343095, 1405084, 1446410, 1756355, 1880333, 1964690, 2458897, 2624201, 2686190, 2892820, 3512710, 3760666, 3929380, 4566523, 4917794, 5248402, 5372380, 7025420, 7521332, 9133046, 9401665, 9835588, 10496804, 12294485, 13121005, 18266092, 18369407, 18803330, 22832615, 24588970, 26242010, 31965661, 34114613, 36738814, 37606660, 44611417, 45665230, 49177940, 52484020, 63931322, 68229226, 73477628, 89222834, 91330460, 91847035, 127862644, 136458452, 159828305, 170573065, 178445668, 183694070, 223057085, 238802291, 312279919, 319656610, 341146130, 367388140, 446114170, 477604582, 579948421, 624559838, 639313220, 682292260, 892228340, 955209164, 1159896842, 1194011455, 1249119676, 1561399595, 2319793684, 2388022910, 2899742105, 3122799190, 4059638947, 4776045820, 5799484210, 6245598380, 8119277894, 11598968420, 16238555788, 20298194735, 40596389470, 81192778940]

約数ペア:

[(1, 81192778940), (2, 40596389470), (4, 20298194735), (5, 16238555788), (7, 11598968420), (10, 8119277894), (13, 6245598380), (14, 5799484210), (17, 4776045820), (20, 4059638947), (26, 3122799190), (28, 2899742105), (34, 2388022910), (35, 2319793684), (52, 1561399595), (65, 1249119676), (68, 1194011455), (70, 1159896842), (85, 955209164), (91, 892228340), (119, 682292260), (127, 639313220), (130, 624559838), (140, 579948421), (170, 477604582), (182, 446114170), (221, 367388140), (238, 341146130), (254, 319656610), (260, 312279919), (340, 238802291), (364, 223057085), (442, 183694070), (455, 178445668), (476, 170573065), (508, 159828305), (595, 136458452), (635, 127862644), (884, 91847035), (889, 91330460), (910, 89222834), (1105, 73477628), (1190, 68229226), (1270, 63931322), (1547, 52484020), (1651, 49177940), (1778, 45665230), (1820, 44611417), (2159, 37606660), (2210, 36738814), (2380, 34114613), (2540, 31965661), (3094, 26242010), (3302, 24588970), (3556, 22832615), (4318, 18803330), (4420, 18369407), (4445, 18266092), (6188, 13121005), (6604, 12294485), (7735, 10496804), (8255, 9835588), (8636, 9401665), (8890, 9133046), (10795, 7521332), (11557, 7025420), (15113, 5372380), (15470, 5248402), (16510, 4917794), (17780, 4566523), (20663, 3929380), (21590, 3760666), (23114, 3512710), (28067, 2892820), (30226, 2686190), (30940, 2624201), (33020, 2458897), (41326, 1964690), (43180, 1880333), (46228, 1756355), (56134, 1446410), (57785, 1405084), (60452, 1343095), (75565, 1074476), (82652, 982345), (103315, 785876), (112268, 723205), (115570, 702542), (140335, 578564), (144641, 561340), (151130, 537238), (196469, 413260), (206630, 392938), (231140, 351271), (268619, 302260), (280670, 289282)]