78984900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 216

約数和(自身を含む): 270816000

約数和(自身を除く): 191831100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 31, 36, 38, 45, 50, 57, 60, 62, 75, 76, 90, 93, 95, 100, 114, 124, 149, 150, 155, 171, 180, 186, 190, 225, 228, 279, 285, 298, 300, 310, 342, 372, 380, 447, 450, 465, 475, 558, 570, 589, 596, 620, 684, 745, 775, 855, 894, 900, 930, 950, 1116, 1140, 1178, 1341, 1395, 1425, 1490, 1550, 1710, 1767, 1788, 1860, 1900, 2235, 2325, 2356, 2682, 2790, 2831, 2850, 2945, 2980, 3100, 3420, 3534, 3725, 4275, 4470, 4619, 4650, 5301, 5364, 5580, 5662, 5700, 5890, 6705, 6975, 7068, 7450, 8493, 8550, 8835, 8940, 9238, 9300, 10602, 11175, 11324, 11780, 13410, 13857, 13950, 14155, 14725, 14900, 16986, 17100, 17670, 18476, 21204, 22350, 23095, 25479, 26505, 26820, 27714, 27900, 28310, 29450, 33525, 33972, 35340, 41571, 42465, 44175, 44700, 46190, 50958, 53010, 55428, 56620, 58900, 67050, 69285, 70775, 83142, 84930, 87761, 88350, 92380, 101916, 106020, 115475, 127395, 132525, 134100, 138570, 141550, 166284, 169860, 175522, 176700, 207855, 212325, 230950, 254790, 263283, 265050, 277140, 283100, 346425, 351044, 415710, 424650, 438805, 461900, 509580, 526566, 530100, 636975, 692850, 789849, 831420, 849300, 877610, 1039275, 1053132, 1273950, 1316415, 1385700, 1579698, 1755220, 2078550, 2194025, 2547900, 2632830, 3159396, 3949245, 4157100, 4388050, 5265660, 6582075, 7898490, 8776100, 13164150, 15796980, 19746225, 26328300, 39492450, 78984900]

約数ペア:

[(1, 78984900), (2, 39492450), (3, 26328300), (4, 19746225), (5, 15796980), (6, 13164150), (9, 8776100), (10, 7898490), (12, 6582075), (15, 5265660), (18, 4388050), (19, 4157100), (20, 3949245), (25, 3159396), (30, 2632830), (31, 2547900), (36, 2194025), (38, 2078550), (45, 1755220), (50, 1579698), (57, 1385700), (60, 1316415), (62, 1273950), (75, 1053132), (76, 1039275), (90, 877610), (93, 849300), (95, 831420), (100, 789849), (114, 692850), (124, 636975), (149, 530100), (150, 526566), (155, 509580), (171, 461900), (180, 438805), (186, 424650), (190, 415710), (225, 351044), (228, 346425), (279, 283100), (285, 277140), (298, 265050), (300, 263283), (310, 254790), (342, 230950), (372, 212325), (380, 207855), (447, 176700), (450, 175522), (465, 169860), (475, 166284), (558, 141550), (570, 138570), (589, 134100), (596, 132525), (620, 127395), (684, 115475), (745, 106020), (775, 101916), (855, 92380), (894, 88350), (900, 87761), (930, 84930), (950, 83142), (1116, 70775), (1140, 69285), (1178, 67050), (1341, 58900), (1395, 56620), (1425, 55428), (1490, 53010), (1550, 50958), (1710, 46190), (1767, 44700), (1788, 44175), (1860, 42465), (1900, 41571), (2235, 35340), (2325, 33972), (2356, 33525), (2682, 29450), (2790, 28310), (2831, 27900), (2850, 27714), (2945, 26820), (2980, 26505), (3100, 25479), (3420, 23095), (3534, 22350), (3725, 21204), (4275, 18476), (4470, 17670), (4619, 17100), (4650, 16986), (5301, 14900), (5364, 14725), (5580, 14155), (5662, 13950), (5700, 13857), (5890, 13410), (6705, 11780), (6975, 11324), (7068, 11175), (7450, 10602), (8493, 9300), (8550, 9238), (8835, 8940)]