123520140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4053

約数の個数: 120

約数和(自身を含む): 407982960

約数和(自身を除く): 284462820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 4013, 5130, 6156, 7695, 8026, 10260, 12039, 15390, 16052, 20065, 24078, 30780, 36117, 40130, 48156, 60195, 72234, 76247, 80260, 108351, 120390, 144468, 152494, 180585, 216702, 228741, 240780, 304988, 325053, 361170, 381235, 433404, 457482, 541755, 650106, 686223, 722340, 762470, 914964, 1083510, 1143705, 1300212, 1372446, 1524940, 1625265, 2058669, 2167020, 2287410, 2744892, 3250530, 3431115, 4117338, 4574820, 6176007, 6501060, 6862230, 8234676, 10293345, 12352014, 13724460, 20586690, 24704028, 30880035, 41173380, 61760070, 123520140]

約数ペア:

[(1, 123520140), (2, 61760070), (3, 41173380), (4, 30880035), (5, 24704028), (6, 20586690), (9, 13724460), (10, 12352014), (12, 10293345), (15, 8234676), (18, 6862230), (19, 6501060), (20, 6176007), (27, 4574820), (30, 4117338), (36, 3431115), (38, 3250530), (45, 2744892), (54, 2287410), (57, 2167020), (60, 2058669), (76, 1625265), (81, 1524940), (90, 1372446), (95, 1300212), (108, 1143705), (114, 1083510), (135, 914964), (162, 762470), (171, 722340), (180, 686223), (190, 650106), (228, 541755), (270, 457482), (285, 433404), (324, 381235), (342, 361170), (380, 325053), (405, 304988), (513, 240780), (540, 228741), (570, 216702), (684, 180585), (810, 152494), (855, 144468), (1026, 120390), (1140, 108351), (1539, 80260), (1620, 76247), (1710, 72234), (2052, 60195), (2565, 48156), (3078, 40130), (3420, 36117), (4013, 30780), (5130, 24078), (6156, 20065), (7695, 16052), (8026, 15390), (10260, 12039)]