1218607080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{509}}^1$

素因数の和:875

約数の個数: 128

約数和(自身を含む): 3727814400

約数和(自身を除く): 2509207320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 281, 284, 355, 426, 509, 562, 568, 710, 843, 852, 1018, 1065, 1124, 1405, 1420, 1527, 1686, 1704, 2036, 2130, 2248, 2545, 2810, 2840, 3054, 3372, 4072, 4215, 4260, 5090, 5620, 6108, 6744, 7635, 8430, 8520, 10180, 11240, 12216, 15270, 16860, 19951, 20360, 30540, 33720, 36139, 39902, 59853, 61080, 72278, 79804, 99755, 108417, 119706, 143029, 144556, 159608, 180695, 199510, 216834, 239412, 286058, 289112, 299265, 361390, 399020, 429087, 433668, 478824, 542085, 572116, 598530, 715145, 722780, 798040, 858174, 867336, 1084170, 1144232, 1197060, 1430290, 1445560, 1716348, 2145435, 2168340, 2394120, 2860580, 3432696, 4290870, 4336680, 5721160, 8581740, 10155059, 17163480, 20310118, 30465177, 40620236, 50775295, 60930354, 81240472, 101550590, 121860708, 152325885, 203101180, 243721416, 304651770, 406202360, 609303540, 1218607080]

約数ペア:

[(1, 1218607080), (2, 609303540), (3, 406202360), (4, 304651770), (5, 243721416), (6, 203101180), (8, 152325885), (10, 121860708), (12, 101550590), (15, 81240472), (20, 60930354), (24, 50775295), (30, 40620236), (40, 30465177), (60, 20310118), (71, 17163480), (120, 10155059), (142, 8581740), (213, 5721160), (281, 4336680), (284, 4290870), (355, 3432696), (426, 2860580), (509, 2394120), (562, 2168340), (568, 2145435), (710, 1716348), (843, 1445560), (852, 1430290), (1018, 1197060), (1065, 1144232), (1124, 1084170), (1405, 867336), (1420, 858174), (1527, 798040), (1686, 722780), (1704, 715145), (2036, 598530), (2130, 572116), (2248, 542085), (2545, 478824), (2810, 433668), (2840, 429087), (3054, 399020), (3372, 361390), (4072, 299265), (4215, 289112), (4260, 286058), (5090, 239412), (5620, 216834), (6108, 199510), (6744, 180695), (7635, 159608), (8430, 144556), (8520, 143029), (10180, 119706), (11240, 108417), (12216, 99755), (15270, 79804), (16860, 72278), (19951, 61080), (20360, 59853), (30540, 39902), (33720, 36139)]