1816020

素因数分解:

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

素因数の和:99

約数の個数: 120

約数和(自身を含む): 6098400

約数和(自身を除く): 4282380

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, 90, 95, 108, 114, 118, 135, 162, 171, 177, 180, 190, 228, 236, 270, 285, 295, 324, 342, 354, 380, 405, 513, 531, 540, 570, 590, 684, 708, 810, 855, 885, 1026, 1062, 1121, 1140, 1180, 1539, 1593, 1620, 1710, 1770, 2052, 2124, 2242, 2565, 2655, 3078, 3186, 3363, 3420, 3540, 4484, 4779, 5130, 5310, 5605, 6156, 6372, 6726, 7695, 7965, 9558, 10089, 10260, 10620, 11210, 13452, 15390, 15930, 16815, 19116, 20178, 22420, 23895, 30267, 30780, 31860, 33630, 40356, 47790, 50445, 60534, 67260, 90801, 95580, 100890, 121068, 151335, 181602, 201780, 302670, 363204, 454005, 605340, 908010, 1816020]

約数ペア:

[(1, 1816020), (2, 908010), (3, 605340), (4, 454005), (5, 363204), (6, 302670), (9, 201780), (10, 181602), (12, 151335), (15, 121068), (18, 100890), (19, 95580), (20, 90801), (27, 67260), (30, 60534), (36, 50445), (38, 47790), (45, 40356), (54, 33630), (57, 31860), (59, 30780), (60, 30267), (76, 23895), (81, 22420), (90, 20178), (95, 19116), (108, 16815), (114, 15930), (118, 15390), (135, 13452), (162, 11210), (171, 10620), (177, 10260), (180, 10089), (190, 9558), (228, 7965), (236, 7695), (270, 6726), (285, 6372), (295, 6156), (324, 5605), (342, 5310), (354, 5130), (380, 4779), (405, 4484), (513, 3540), (531, 3420), (540, 3363), (570, 3186), (590, 3078), (684, 2655), (708, 2565), (810, 2242), (855, 2124), (885, 2052), (1026, 1770), (1062, 1710), (1121, 1620), (1140, 1593), (1180, 1539)]