7129920640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4549}}^1$

素因数の和:4678

約数の個数: 128

約数和(自身を含む): 17821440000

約数和(自身を除く): 10691519360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 248, 310, 316, 320, 395, 496, 620, 632, 640, 790, 992, 1240, 1264, 1580, 1984, 2449, 2480, 2528, 3160, 3968, 4549, 4898, 4960, 5056, 6320, 9098, 9796, 9920, 10112, 12245, 12640, 18196, 19592, 19840, 22745, 24490, 25280, 36392, 39184, 45490, 48980, 50560, 72784, 78368, 90980, 97960, 141019, 145568, 156736, 181960, 195920, 282038, 291136, 313472, 359371, 363920, 391840, 564076, 582272, 705095, 718742, 727840, 783680, 1128152, 1410190, 1437484, 1455680, 1567360, 1796855, 2256304, 2820380, 2874968, 2911360, 3593710, 4512608, 5640760, 5749936, 7187420, 9025216, 11140501, 11281520, 11499872, 14374840, 18050432, 22281002, 22563040, 22999744, 28749680, 44562004, 45126080, 45999488, 55702505, 57499360, 89124008, 90252160, 111405010, 114998720, 178248016, 222810020, 229997440, 356496032, 445620040, 712992064, 891240080, 1425984128, 1782480160, 3564960320, 7129920640]

約数ペア:

[(1, 7129920640), (2, 3564960320), (4, 1782480160), (5, 1425984128), (8, 891240080), (10, 712992064), (16, 445620040), (20, 356496032), (31, 229997440), (32, 222810020), (40, 178248016), (62, 114998720), (64, 111405010), (79, 90252160), (80, 89124008), (124, 57499360), (128, 55702505), (155, 45999488), (158, 45126080), (160, 44562004), (248, 28749680), (310, 22999744), (316, 22563040), (320, 22281002), (395, 18050432), (496, 14374840), (620, 11499872), (632, 11281520), (640, 11140501), (790, 9025216), (992, 7187420), (1240, 5749936), (1264, 5640760), (1580, 4512608), (1984, 3593710), (2449, 2911360), (2480, 2874968), (2528, 2820380), (3160, 2256304), (3968, 1796855), (4549, 1567360), (4898, 1455680), (4960, 1437484), (5056, 1410190), (6320, 1128152), (9098, 783680), (9796, 727840), (9920, 718742), (10112, 705095), (12245, 582272), (12640, 564076), (18196, 391840), (19592, 363920), (19840, 359371), (22745, 313472), (24490, 291136), (25280, 282038), (36392, 195920), (39184, 181960), (45490, 156736), (48980, 145568), (50560, 141019), (72784, 97960), (78368, 90980)]