1281508770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:448

約数の個数: 128

約数和(自身を含む): 3317760000

約数和(自身を除く): 2036251230

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 79, 95, 114, 149, 158, 190, 191, 237, 285, 298, 382, 395, 447, 474, 570, 573, 745, 790, 894, 955, 1146, 1185, 1490, 1501, 1910, 2235, 2370, 2831, 2865, 3002, 3629, 4470, 4503, 5662, 5730, 7258, 7505, 8493, 9006, 10887, 11771, 14155, 15010, 15089, 16986, 18145, 21774, 22515, 23542, 28310, 28459, 30178, 35313, 36290, 42465, 45030, 45267, 54435, 56918, 58855, 70626, 75445, 84930, 85377, 90534, 108870, 117710, 142295, 150890, 170754, 176565, 223649, 226335, 284590, 286691, 353130, 426885, 447298, 452670, 540721, 573382, 670947, 853770, 860073, 1081442, 1118245, 1341894, 1433455, 1622163, 1720146, 2236490, 2248261, 2703605, 2866910, 3244326, 3354735, 4300365, 4496522, 5407210, 6709470, 6744783, 8110815, 8600730, 11241305, 13489566, 16221630, 22482610, 33723915, 42716959, 67447830, 85433918, 128150877, 213584795, 256301754, 427169590, 640754385, 1281508770]

約数ペア:

[(1, 1281508770), (2, 640754385), (3, 427169590), (5, 256301754), (6, 213584795), (10, 128150877), (15, 85433918), (19, 67447830), (30, 42716959), (38, 33723915), (57, 22482610), (79, 16221630), (95, 13489566), (114, 11241305), (149, 8600730), (158, 8110815), (190, 6744783), (191, 6709470), (237, 5407210), (285, 4496522), (298, 4300365), (382, 3354735), (395, 3244326), (447, 2866910), (474, 2703605), (570, 2248261), (573, 2236490), (745, 1720146), (790, 1622163), (894, 1433455), (955, 1341894), (1146, 1118245), (1185, 1081442), (1490, 860073), (1501, 853770), (1910, 670947), (2235, 573382), (2370, 540721), (2831, 452670), (2865, 447298), (3002, 426885), (3629, 353130), (4470, 286691), (4503, 284590), (5662, 226335), (5730, 223649), (7258, 176565), (7505, 170754), (8493, 150890), (9006, 142295), (10887, 117710), (11771, 108870), (14155, 90534), (15010, 85377), (15089, 84930), (16986, 75445), (18145, 70626), (21774, 58855), (22515, 56918), (23542, 54435), (28310, 45267), (28459, 45030), (30178, 42465), (35313, 36290)]