1240281960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1211

約数の個数: 128

約数和(自身を含む): 3802464000

約数和(自身を除く): 2562182040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 149, 213, 284, 298, 355, 426, 447, 568, 596, 710, 745, 852, 894, 977, 1065, 1192, 1420, 1490, 1704, 1788, 1954, 2130, 2235, 2840, 2931, 2980, 3576, 3908, 4260, 4470, 4885, 5862, 5960, 7816, 8520, 8940, 9770, 10579, 11724, 14655, 17880, 19540, 21158, 23448, 29310, 31737, 39080, 42316, 52895, 58620, 63474, 69367, 84632, 105790, 117240, 126948, 138734, 145573, 158685, 208101, 211580, 253896, 277468, 291146, 317370, 346835, 416202, 423160, 436719, 554936, 582292, 634740, 693670, 727865, 832404, 873438, 1040505, 1164584, 1269480, 1387340, 1455730, 1664808, 1746876, 2081010, 2183595, 2774680, 2911460, 3493752, 4162020, 4367190, 5822920, 8324040, 8734380, 10335683, 17468760, 20671366, 31007049, 41342732, 51678415, 62014098, 82685464, 103356830, 124028196, 155035245, 206713660, 248056392, 310070490, 413427320, 620140980, 1240281960]

約数ペア:

[(1, 1240281960), (2, 620140980), (3, 413427320), (4, 310070490), (5, 248056392), (6, 206713660), (8, 155035245), (10, 124028196), (12, 103356830), (15, 82685464), (20, 62014098), (24, 51678415), (30, 41342732), (40, 31007049), (60, 20671366), (71, 17468760), (120, 10335683), (142, 8734380), (149, 8324040), (213, 5822920), (284, 4367190), (298, 4162020), (355, 3493752), (426, 2911460), (447, 2774680), (568, 2183595), (596, 2081010), (710, 1746876), (745, 1664808), (852, 1455730), (894, 1387340), (977, 1269480), (1065, 1164584), (1192, 1040505), (1420, 873438), (1490, 832404), (1704, 727865), (1788, 693670), (1954, 634740), (2130, 582292), (2235, 554936), (2840, 436719), (2931, 423160), (2980, 416202), (3576, 346835), (3908, 317370), (4260, 291146), (4470, 277468), (4885, 253896), (5862, 211580), (5960, 208101), (7816, 158685), (8520, 145573), (8940, 138734), (9770, 126948), (10579, 117240), (11724, 105790), (14655, 84632), (17880, 69367), (19540, 63474), (21158, 58620), (23448, 52895), (29310, 42316), (31737, 39080)]