251724780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1613}}^1$

素因数の和:1665

約数の個数: 144

約数和(自身を含む): 832436640

約数和(自身を除く): 580711860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 459, 510, 540, 578, 612, 765, 867, 918, 1020, 1156, 1445, 1530, 1613, 1734, 1836, 2295, 2601, 2890, 3060, 3226, 3468, 4335, 4590, 4839, 5202, 5780, 6452, 7803, 8065, 8670, 9180, 9678, 10404, 13005, 14517, 15606, 16130, 17340, 19356, 24195, 26010, 27421, 29034, 31212, 32260, 39015, 43551, 48390, 52020, 54842, 58068, 72585, 78030, 82263, 87102, 96780, 109684, 137105, 145170, 156060, 164526, 174204, 217755, 246789, 274210, 290340, 329052, 411315, 435510, 466157, 493578, 548420, 740367, 822630, 871020, 932314, 987156, 1233945, 1398471, 1480734, 1645260, 1864628, 2330785, 2467890, 2796942, 2961468, 3701835, 4195413, 4661570, 4935780, 5593884, 6992355, 7403670, 8390826, 9323140, 12586239, 13984710, 14807340, 16781652, 20977065, 25172478, 27969420, 41954130, 50344956, 62931195, 83908260, 125862390, 251724780]

約数ペア:

[(1, 251724780), (2, 125862390), (3, 83908260), (4, 62931195), (5, 50344956), (6, 41954130), (9, 27969420), (10, 25172478), (12, 20977065), (15, 16781652), (17, 14807340), (18, 13984710), (20, 12586239), (27, 9323140), (30, 8390826), (34, 7403670), (36, 6992355), (45, 5593884), (51, 4935780), (54, 4661570), (60, 4195413), (68, 3701835), (85, 2961468), (90, 2796942), (102, 2467890), (108, 2330785), (135, 1864628), (153, 1645260), (170, 1480734), (180, 1398471), (204, 1233945), (255, 987156), (270, 932314), (289, 871020), (306, 822630), (340, 740367), (459, 548420), (510, 493578), (540, 466157), (578, 435510), (612, 411315), (765, 329052), (867, 290340), (918, 274210), (1020, 246789), (1156, 217755), (1445, 174204), (1530, 164526), (1613, 156060), (1734, 145170), (1836, 137105), (2295, 109684), (2601, 96780), (2890, 87102), (3060, 82263), (3226, 78030), (3468, 72585), (4335, 58068), (4590, 54842), (4839, 52020), (5202, 48390), (5780, 43551), (6452, 39015), (7803, 32260), (8065, 31212), (8670, 29034), (9180, 27421), (9678, 26010), (10404, 24195), (13005, 19356), (14517, 17340), (15606, 16130)]