161428680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 256

約数和(自身を含む): 623462400

約数和(自身を除く): 462033720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 131, 135, 140, 163, 168, 180, 189, 210, 216, 252, 262, 270, 280, 315, 326, 360, 378, 393, 420, 489, 504, 524, 540, 630, 652, 655, 756, 786, 815, 840, 917, 945, 978, 1048, 1080, 1141, 1179, 1260, 1304, 1310, 1467, 1512, 1572, 1630, 1834, 1890, 1956, 1965, 2282, 2358, 2445, 2520, 2620, 2751, 2934, 3144, 3260, 3423, 3537, 3668, 3780, 3912, 3930, 4401, 4564, 4585, 4716, 4890, 5240, 5502, 5705, 5868, 5895, 6520, 6846, 7074, 7335, 7336, 7560, 7860, 8253, 8802, 9128, 9170, 9432, 9780, 10269, 11004, 11410, 11736, 11790, 13692, 13755, 14148, 14670, 15720, 16506, 17115, 17604, 17685, 18340, 19560, 20538, 21353, 22005, 22008, 22820, 23580, 24759, 27384, 27510, 28296, 29340, 30807, 33012, 34230, 35208, 35370, 36680, 41076, 41265, 42706, 44010, 45640, 47160, 49518, 51345, 55020, 58680, 61614, 64059, 66024, 68460, 70740, 82152, 82530, 85412, 88020, 99036, 102690, 106765, 110040, 123228, 123795, 128118, 136920, 141480, 149471, 154035, 165060, 170824, 176040, 192177, 198072, 205380, 213530, 246456, 247590, 256236, 298942, 308070, 320295, 330120, 384354, 410760, 427060, 448413, 495180, 512472, 576531, 597884, 616140, 640590, 747355, 768708, 854120, 896826, 960885, 990360, 1153062, 1195768, 1232280, 1281180, 1345239, 1494710, 1537416, 1793652, 1921770, 2242065, 2306124, 2562360, 2690478, 2882655, 2989420, 3587304, 3843540, 4035717, 4484130, 4612248, 5380956, 5765310, 5978840, 6726195, 7687080, 8071434, 8968260, 10761912, 11530620, 13452390, 16142868, 17936520, 20178585, 23061240, 26904780, 32285736, 40357170, 53809560, 80714340, 161428680]

約数ペア:

[(1, 161428680), (2, 80714340), (3, 53809560), (4, 40357170), (5, 32285736), (6, 26904780), (7, 23061240), (8, 20178585), (9, 17936520), (10, 16142868), (12, 13452390), (14, 11530620), (15, 10761912), (18, 8968260), (20, 8071434), (21, 7687080), (24, 6726195), (27, 5978840), (28, 5765310), (30, 5380956), (35, 4612248), (36, 4484130), (40, 4035717), (42, 3843540), (45, 3587304), (54, 2989420), (56, 2882655), (60, 2690478), (63, 2562360), (70, 2306124), (72, 2242065), (84, 1921770), (90, 1793652), (105, 1537416), (108, 1494710), (120, 1345239), (126, 1281180), (131, 1232280), (135, 1195768), (140, 1153062), (163, 990360), (168, 960885), (180, 896826), (189, 854120), (210, 768708), (216, 747355), (252, 640590), (262, 616140), (270, 597884), (280, 576531), (315, 512472), (326, 495180), (360, 448413), (378, 427060), (393, 410760), (420, 384354), (489, 330120), (504, 320295), (524, 308070), (540, 298942), (630, 256236), (652, 247590), (655, 246456), (756, 213530), (786, 205380), (815, 198072), (840, 192177), (917, 176040), (945, 170824), (978, 165060), (1048, 154035), (1080, 149471), (1141, 141480), (1179, 136920), (1260, 128118), (1304, 123795), (1310, 123228), (1467, 110040), (1512, 106765), (1572, 102690), (1630, 99036), (1834, 88020), (1890, 85412), (1956, 82530), (1965, 82152), (2282, 70740), (2358, 68460), (2445, 66024), (2520, 64059), (2620, 61614), (2751, 58680), (2934, 55020), (3144, 51345), (3260, 49518), (3423, 47160), (3537, 45640), (3668, 44010), (3780, 42706), (3912, 41265), (3930, 41076), (4401, 36680), (4564, 35370), (4585, 35208), (4716, 34230), (4890, 33012), (5240, 30807), (5502, 29340), (5705, 28296), (5868, 27510), (5895, 27384), (6520, 24759), (6846, 23580), (7074, 22820), (7335, 22008), (7336, 22005), (7560, 21353), (7860, 20538), (8253, 19560), (8802, 18340), (9128, 17685), (9170, 17604), (9432, 17115), (9780, 16506), (10269, 15720), (11004, 14670), (11410, 14148), (11736, 13755), (11790, 13692)]