80812890

素因数分解:

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

素因数の和:186

約数の個数: 160

約数和(自身を含む): 235224000

約数和(自身を除く): 154411110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 59, 81, 89, 90, 95, 114, 118, 135, 162, 171, 177, 178, 190, 267, 270, 285, 295, 342, 354, 405, 445, 513, 531, 534, 570, 590, 801, 810, 855, 885, 890, 1026, 1062, 1121, 1335, 1539, 1593, 1602, 1691, 1710, 1770, 2242, 2403, 2565, 2655, 2670, 3078, 3186, 3363, 3382, 4005, 4779, 4806, 5073, 5130, 5251, 5310, 5605, 6726, 7209, 7695, 7965, 8010, 8455, 9558, 10089, 10146, 10502, 11210, 12015, 14418, 15219, 15390, 15753, 15930, 16815, 16910, 20178, 23895, 24030, 25365, 26255, 30267, 30438, 31506, 33630, 36045, 45657, 47259, 47790, 50445, 50730, 52510, 60534, 72090, 76095, 78765, 90801, 91314, 94518, 99769, 100890, 136971, 141777, 151335, 152190, 157530, 181602, 199538, 228285, 236295, 273942, 283554, 299307, 302670, 425331, 454005, 456570, 472590, 498845, 598614, 684855, 708885, 850662, 897921, 908010, 997690, 1369710, 1417770, 1496535, 1795842, 2126655, 2693763, 2993070, 4253310, 4489605, 5387526, 8081289, 8979210, 13468815, 16162578, 26937630, 40406445, 80812890]

約数ペア:

[(1, 80812890), (2, 40406445), (3, 26937630), (5, 16162578), (6, 13468815), (9, 8979210), (10, 8081289), (15, 5387526), (18, 4489605), (19, 4253310), (27, 2993070), (30, 2693763), (38, 2126655), (45, 1795842), (54, 1496535), (57, 1417770), (59, 1369710), (81, 997690), (89, 908010), (90, 897921), (95, 850662), (114, 708885), (118, 684855), (135, 598614), (162, 498845), (171, 472590), (177, 456570), (178, 454005), (190, 425331), (267, 302670), (270, 299307), (285, 283554), (295, 273942), (342, 236295), (354, 228285), (405, 199538), (445, 181602), (513, 157530), (531, 152190), (534, 151335), (570, 141777), (590, 136971), (801, 100890), (810, 99769), (855, 94518), (885, 91314), (890, 90801), (1026, 78765), (1062, 76095), (1121, 72090), (1335, 60534), (1539, 52510), (1593, 50730), (1602, 50445), (1691, 47790), (1710, 47259), (1770, 45657), (2242, 36045), (2403, 33630), (2565, 31506), (2655, 30438), (2670, 30267), (3078, 26255), (3186, 25365), (3363, 24030), (3382, 23895), (4005, 20178), (4779, 16910), (4806, 16815), (5073, 15930), (5130, 15753), (5251, 15390), (5310, 15219), (5605, 14418), (6726, 12015), (7209, 11210), (7695, 10502), (7965, 10146), (8010, 10089), (8455, 9558)]