161625780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 240

約数和(自身を含む): 548856000

約数和(自身を除く): 387230220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 59, 60, 76, 81, 89, 90, 95, 108, 114, 118, 135, 162, 171, 177, 178, 180, 190, 228, 236, 267, 270, 285, 295, 324, 342, 354, 356, 380, 405, 445, 513, 531, 534, 540, 570, 590, 684, 708, 801, 810, 855, 885, 890, 1026, 1062, 1068, 1121, 1140, 1180, 1335, 1539, 1593, 1602, 1620, 1691, 1710, 1770, 1780, 2052, 2124, 2242, 2403, 2565, 2655, 2670, 3078, 3186, 3204, 3363, 3382, 3420, 3540, 4005, 4484, 4779, 4806, 5073, 5130, 5251, 5310, 5340, 5605, 6156, 6372, 6726, 6764, 7209, 7695, 7965, 8010, 8455, 9558, 9612, 10089, 10146, 10260, 10502, 10620, 11210, 12015, 13452, 14418, 15219, 15390, 15753, 15930, 16020, 16815, 16910, 19116, 20178, 20292, 21004, 22420, 23895, 24030, 25365, 26255, 28836, 30267, 30438, 30780, 31506, 31860, 33630, 33820, 36045, 40356, 45657, 47259, 47790, 48060, 50445, 50730, 52510, 60534, 60876, 63012, 67260, 72090, 76095, 78765, 90801, 91314, 94518, 95580, 99769, 100890, 101460, 105020, 121068, 136971, 141777, 144180, 151335, 152190, 157530, 181602, 182628, 189036, 199538, 201780, 228285, 236295, 273942, 283554, 299307, 302670, 304380, 315060, 363204, 399076, 425331, 454005, 456570, 472590, 498845, 547884, 567108, 598614, 605340, 684855, 708885, 850662, 897921, 908010, 913140, 945180, 997690, 1197228, 1369710, 1417770, 1496535, 1701324, 1795842, 1816020, 1995380, 2126655, 2693763, 2739420, 2835540, 2993070, 3591684, 4253310, 4489605, 5387526, 5986140, 8081289, 8506620, 8979210, 10775052, 13468815, 16162578, 17958420, 26937630, 32325156, 40406445, 53875260, 80812890, 161625780]

約数ペア:

[(1, 161625780), (2, 80812890), (3, 53875260), (4, 40406445), (5, 32325156), (6, 26937630), (9, 17958420), (10, 16162578), (12, 13468815), (15, 10775052), (18, 8979210), (19, 8506620), (20, 8081289), (27, 5986140), (30, 5387526), (36, 4489605), (38, 4253310), (45, 3591684), (54, 2993070), (57, 2835540), (59, 2739420), (60, 2693763), (76, 2126655), (81, 1995380), (89, 1816020), (90, 1795842), (95, 1701324), (108, 1496535), (114, 1417770), (118, 1369710), (135, 1197228), (162, 997690), (171, 945180), (177, 913140), (178, 908010), (180, 897921), (190, 850662), (228, 708885), (236, 684855), (267, 605340), (270, 598614), (285, 567108), (295, 547884), (324, 498845), (342, 472590), (354, 456570), (356, 454005), (380, 425331), (405, 399076), (445, 363204), (513, 315060), (531, 304380), (534, 302670), (540, 299307), (570, 283554), (590, 273942), (684, 236295), (708, 228285), (801, 201780), (810, 199538), (855, 189036), (885, 182628), (890, 181602), (1026, 157530), (1062, 152190), (1068, 151335), (1121, 144180), (1140, 141777), (1180, 136971), (1335, 121068), (1539, 105020), (1593, 101460), (1602, 100890), (1620, 99769), (1691, 95580), (1710, 94518), (1770, 91314), (1780, 90801), (2052, 78765), (2124, 76095), (2242, 72090), (2403, 67260), (2565, 63012), (2655, 60876), (2670, 60534), (3078, 52510), (3186, 50730), (3204, 50445), (3363, 48060), (3382, 47790), (3420, 47259), (3540, 45657), (4005, 40356), (4484, 36045), (4779, 33820), (4806, 33630), (5073, 31860), (5130, 31506), (5251, 30780), (5310, 30438), (5340, 30267), (5605, 28836), (6156, 26255), (6372, 25365), (6726, 24030), (6764, 23895), (7209, 22420), (7695, 21004), (7965, 20292), (8010, 20178), (8455, 19116), (9558, 16910), (9612, 16815), (10089, 16020), (10146, 15930), (10260, 15753), (10502, 15390), (10620, 15219), (11210, 14418), (12015, 13452)]