321505650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1281

約数の個数: 144

約数和(自身を含む): 939344640

約数和(自身を除く): 617838990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 31, 38, 45, 50, 57, 62, 75, 90, 93, 95, 114, 150, 155, 171, 186, 190, 225, 279, 285, 310, 342, 450, 465, 475, 558, 570, 589, 775, 855, 930, 950, 1178, 1213, 1395, 1425, 1550, 1710, 1767, 2325, 2426, 2790, 2850, 2945, 3534, 3639, 4275, 4650, 5301, 5890, 6065, 6975, 7278, 8550, 8835, 10602, 10917, 12130, 13950, 14725, 17670, 18195, 21834, 23047, 26505, 29450, 30325, 36390, 37603, 44175, 46094, 53010, 54585, 60650, 69141, 75206, 88350, 90975, 109170, 112809, 115235, 132525, 138282, 181950, 188015, 207423, 225618, 230470, 265050, 272925, 338427, 345705, 376030, 414846, 545850, 564045, 576175, 676854, 691410, 714457, 940075, 1037115, 1128090, 1152350, 1428914, 1692135, 1728525, 1880150, 2074230, 2143371, 2820225, 3384270, 3457050, 3572285, 4286742, 5185575, 5640450, 6430113, 7144570, 8460675, 10371150, 10716855, 12860226, 16921350, 17861425, 21433710, 32150565, 35722850, 53584275, 64301130, 107168550, 160752825, 321505650]

約数ペア:

[(1, 321505650), (2, 160752825), (3, 107168550), (5, 64301130), (6, 53584275), (9, 35722850), (10, 32150565), (15, 21433710), (18, 17861425), (19, 16921350), (25, 12860226), (30, 10716855), (31, 10371150), (38, 8460675), (45, 7144570), (50, 6430113), (57, 5640450), (62, 5185575), (75, 4286742), (90, 3572285), (93, 3457050), (95, 3384270), (114, 2820225), (150, 2143371), (155, 2074230), (171, 1880150), (186, 1728525), (190, 1692135), (225, 1428914), (279, 1152350), (285, 1128090), (310, 1037115), (342, 940075), (450, 714457), (465, 691410), (475, 676854), (558, 576175), (570, 564045), (589, 545850), (775, 414846), (855, 376030), (930, 345705), (950, 338427), (1178, 272925), (1213, 265050), (1395, 230470), (1425, 225618), (1550, 207423), (1710, 188015), (1767, 181950), (2325, 138282), (2426, 132525), (2790, 115235), (2850, 112809), (2945, 109170), (3534, 90975), (3639, 88350), (4275, 75206), (4650, 69141), (5301, 60650), (5890, 54585), (6065, 53010), (6975, 46094), (7278, 44175), (8550, 37603), (8835, 36390), (10602, 30325), (10917, 29450), (12130, 26505), (13950, 23047), (14725, 21834), (17670, 18195)]