128434740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 429649920

約数和(自身を除く): 301215180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 71, 73, 84, 105, 118, 140, 142, 146, 177, 210, 213, 219, 236, 284, 292, 295, 354, 355, 365, 413, 420, 426, 438, 497, 511, 590, 708, 710, 730, 826, 852, 876, 885, 994, 1022, 1065, 1095, 1180, 1239, 1420, 1460, 1491, 1533, 1652, 1770, 1988, 2044, 2065, 2130, 2190, 2478, 2485, 2555, 2982, 3066, 3540, 4130, 4189, 4260, 4307, 4380, 4956, 4970, 5110, 5183, 5964, 6132, 6195, 7455, 7665, 8260, 8378, 8614, 9940, 10220, 10366, 12390, 12567, 12921, 14910, 15330, 15549, 16756, 17228, 20732, 20945, 21535, 24780, 25134, 25842, 25915, 29323, 29820, 30149, 30660, 31098, 36281, 41890, 43070, 50268, 51684, 51830, 58646, 60298, 62196, 62835, 64605, 72562, 77745, 83780, 86140, 87969, 90447, 103660, 108843, 117292, 120596, 125670, 129210, 145124, 146615, 150745, 155490, 175938, 180894, 181405, 217686, 251340, 258420, 293230, 301490, 305797, 310980, 351876, 361788, 362810, 435372, 439845, 452235, 544215, 586460, 602980, 611594, 725620, 879690, 904470, 917391, 1088430, 1223188, 1528985, 1759380, 1808940, 1834782, 2140579, 2176860, 3057970, 3669564, 4281158, 4586955, 6115940, 6421737, 8562316, 9173910, 10702895, 12843474, 18347820, 21405790, 25686948, 32108685, 42811580, 64217370, 128434740]

約数ペア:

[(1, 128434740), (2, 64217370), (3, 42811580), (4, 32108685), (5, 25686948), (6, 21405790), (7, 18347820), (10, 12843474), (12, 10702895), (14, 9173910), (15, 8562316), (20, 6421737), (21, 6115940), (28, 4586955), (30, 4281158), (35, 3669564), (42, 3057970), (59, 2176860), (60, 2140579), (70, 1834782), (71, 1808940), (73, 1759380), (84, 1528985), (105, 1223188), (118, 1088430), (140, 917391), (142, 904470), (146, 879690), (177, 725620), (210, 611594), (213, 602980), (219, 586460), (236, 544215), (284, 452235), (292, 439845), (295, 435372), (354, 362810), (355, 361788), (365, 351876), (413, 310980), (420, 305797), (426, 301490), (438, 293230), (497, 258420), (511, 251340), (590, 217686), (708, 181405), (710, 180894), (730, 175938), (826, 155490), (852, 150745), (876, 146615), (885, 145124), (994, 129210), (1022, 125670), (1065, 120596), (1095, 117292), (1180, 108843), (1239, 103660), (1420, 90447), (1460, 87969), (1491, 86140), (1533, 83780), (1652, 77745), (1770, 72562), (1988, 64605), (2044, 62835), (2065, 62196), (2130, 60298), (2190, 58646), (2478, 51830), (2485, 51684), (2555, 50268), (2982, 43070), (3066, 41890), (3540, 36281), (4130, 31098), (4189, 30660), (4260, 30149), (4307, 29820), (4380, 29323), (4956, 25915), (4970, 25842), (5110, 25134), (5183, 24780), (5964, 21535), (6132, 20945), (6195, 20732), (7455, 17228), (7665, 16756), (8260, 15549), (8378, 15330), (8614, 14910), (9940, 12921), (10220, 12567), (10366, 12390)]