128302740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1823}}^1$

素因数の和:1878

約数の個数: 144

約数和(自身を含む): 430230528

約数和(自身を除く): 301927788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1173, 1380, 1530, 1564, 1823, 1955, 2070, 2346, 3060, 3519, 3646, 3910, 4140, 4692, 5469, 5865, 7038, 7292, 7820, 9115, 10938, 11730, 14076, 16407, 17595, 18230, 21876, 23460, 27345, 30991, 32814, 35190, 36460, 41929, 54690, 61982, 65628, 70380, 82035, 83858, 92973, 109380, 123964, 125787, 154955, 164070, 167716, 185946, 209645, 251574, 278919, 309910, 328140, 371892, 377361, 419290, 464865, 503148, 557838, 619820, 628935, 712793, 754722, 838580, 929730, 1115676, 1257870, 1394595, 1425586, 1509444, 1859460, 1886805, 2138379, 2515740, 2789190, 2851172, 3563965, 3773610, 4276758, 5578380, 6415137, 7127930, 7547220, 8553516, 10691895, 12830274, 14255860, 21383790, 25660548, 32075685, 42767580, 64151370, 128302740]

約数ペア:

[(1, 128302740), (2, 64151370), (3, 42767580), (4, 32075685), (5, 25660548), (6, 21383790), (9, 14255860), (10, 12830274), (12, 10691895), (15, 8553516), (17, 7547220), (18, 7127930), (20, 6415137), (23, 5578380), (30, 4276758), (34, 3773610), (36, 3563965), (45, 2851172), (46, 2789190), (51, 2515740), (60, 2138379), (68, 1886805), (69, 1859460), (85, 1509444), (90, 1425586), (92, 1394595), (102, 1257870), (115, 1115676), (138, 929730), (153, 838580), (170, 754722), (180, 712793), (204, 628935), (207, 619820), (230, 557838), (255, 503148), (276, 464865), (306, 419290), (340, 377361), (345, 371892), (391, 328140), (414, 309910), (460, 278919), (510, 251574), (612, 209645), (690, 185946), (765, 167716), (782, 164070), (828, 154955), (1020, 125787), (1035, 123964), (1173, 109380), (1380, 92973), (1530, 83858), (1564, 82035), (1823, 70380), (1955, 65628), (2070, 61982), (2346, 54690), (3060, 41929), (3519, 36460), (3646, 35190), (3910, 32814), (4140, 30991), (4692, 27345), (5469, 23460), (5865, 21876), (7038, 18230), (7292, 17595), (7820, 16407), (9115, 14076), (10938, 11730)]