71814780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 230053824

約数和(自身を除く): 158239044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 41, 45, 60, 74, 82, 90, 111, 123, 148, 164, 180, 185, 205, 222, 246, 263, 333, 369, 370, 410, 444, 492, 526, 555, 615, 666, 738, 740, 789, 820, 1052, 1110, 1230, 1315, 1332, 1476, 1517, 1578, 1665, 1845, 2220, 2367, 2460, 2630, 3034, 3156, 3330, 3690, 3945, 4551, 4734, 5260, 6068, 6660, 7380, 7585, 7890, 9102, 9468, 9731, 10783, 11835, 13653, 15170, 15780, 18204, 19462, 21566, 22755, 23670, 27306, 29193, 30340, 32349, 38924, 43132, 45510, 47340, 48655, 53915, 54612, 58386, 64698, 68265, 87579, 91020, 97047, 97310, 107830, 116772, 129396, 136530, 145965, 161745, 175158, 194094, 194620, 215660, 273060, 291930, 323490, 350316, 388188, 398971, 437895, 485235, 583860, 646980, 797942, 875790, 970470, 1196913, 1595884, 1751580, 1940940, 1994855, 2393826, 3590739, 3989710, 4787652, 5984565, 7181478, 7979420, 11969130, 14362956, 17953695, 23938260, 35907390, 71814780]

約数ペア:

[(1, 71814780), (2, 35907390), (3, 23938260), (4, 17953695), (5, 14362956), (6, 11969130), (9, 7979420), (10, 7181478), (12, 5984565), (15, 4787652), (18, 3989710), (20, 3590739), (30, 2393826), (36, 1994855), (37, 1940940), (41, 1751580), (45, 1595884), (60, 1196913), (74, 970470), (82, 875790), (90, 797942), (111, 646980), (123, 583860), (148, 485235), (164, 437895), (180, 398971), (185, 388188), (205, 350316), (222, 323490), (246, 291930), (263, 273060), (333, 215660), (369, 194620), (370, 194094), (410, 175158), (444, 161745), (492, 145965), (526, 136530), (555, 129396), (615, 116772), (666, 107830), (738, 97310), (740, 97047), (789, 91020), (820, 87579), (1052, 68265), (1110, 64698), (1230, 58386), (1315, 54612), (1332, 53915), (1476, 48655), (1517, 47340), (1578, 45510), (1665, 43132), (1845, 38924), (2220, 32349), (2367, 30340), (2460, 29193), (2630, 27306), (3034, 23670), (3156, 22755), (3330, 21566), (3690, 19462), (3945, 18204), (4551, 15780), (4734, 15170), (5260, 13653), (6068, 11835), (6660, 10783), (7380, 9731), (7585, 9468), (7890, 9102)]