81690120

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1327}}^1$

素因数の和:1369

約数の個数: 160

約数和(自身を含む): 289238400

約数和(自身を除く): 207548280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1327, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 2654, 3078, 3240, 3420, 3981, 4104, 5130, 5308, 6156, 6635, 6840, 7695, 7962, 10260, 10616, 11943, 12312, 13270, 15390, 15924, 19905, 20520, 23886, 25213, 26540, 30780, 31848, 35829, 39810, 47772, 50426, 53080, 59715, 61560, 71658, 75639, 79620, 95544, 100852, 107487, 119430, 126065, 143316, 151278, 159240, 179145, 201704, 214974, 226917, 238860, 252130, 286632, 302556, 358290, 378195, 429948, 453834, 477720, 504260, 537435, 605112, 680751, 716580, 756390, 859896, 907668, 1008520, 1074870, 1134585, 1361502, 1433160, 1512780, 1815336, 2042253, 2149740, 2269170, 2723004, 3025560, 3403755, 4084506, 4299480, 4538340, 5446008, 6807510, 8169012, 9076680, 10211265, 13615020, 16338024, 20422530, 27230040, 40845060, 81690120]

約数ペア:

[(1, 81690120), (2, 40845060), (3, 27230040), (4, 20422530), (5, 16338024), (6, 13615020), (8, 10211265), (9, 9076680), (10, 8169012), (12, 6807510), (15, 5446008), (18, 4538340), (19, 4299480), (20, 4084506), (24, 3403755), (27, 3025560), (30, 2723004), (36, 2269170), (38, 2149740), (40, 2042253), (45, 1815336), (54, 1512780), (57, 1433160), (60, 1361502), (72, 1134585), (76, 1074870), (81, 1008520), (90, 907668), (95, 859896), (108, 756390), (114, 716580), (120, 680751), (135, 605112), (152, 537435), (162, 504260), (171, 477720), (180, 453834), (190, 429948), (216, 378195), (228, 358290), (270, 302556), (285, 286632), (324, 252130), (342, 238860), (360, 226917), (380, 214974), (405, 201704), (456, 179145), (513, 159240), (540, 151278), (570, 143316), (648, 126065), (684, 119430), (760, 107487), (810, 100852), (855, 95544), (1026, 79620), (1080, 75639), (1140, 71658), (1327, 61560), (1368, 59715), (1539, 53080), (1620, 50426), (1710, 47772), (2052, 39810), (2280, 35829), (2565, 31848), (2654, 30780), (3078, 26540), (3240, 25213), (3420, 23886), (3981, 20520), (4104, 19905), (5130, 15924), (5308, 15390), (6156, 13270), (6635, 12312), (6840, 11943), (7695, 10616), (7962, 10260)]