87505740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1936

約数の個数: 144

約数和(自身を含む): 311717952

約数和(自身を除く): 224212212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 1877, 2220, 2331, 2590, 3108, 3330, 3754, 3885, 4662, 5180, 5631, 6660, 7508, 7770, 9324, 9385, 11262, 11655, 13139, 15540, 16893, 18770, 22524, 23310, 26278, 28155, 33786, 37540, 39417, 46620, 52556, 56310, 65695, 67572, 69449, 78834, 84465, 112620, 118251, 131390, 138898, 157668, 168930, 197085, 208347, 236502, 262780, 277796, 337860, 347245, 394170, 416694, 473004, 486143, 591255, 625041, 694490, 788340, 833388, 972286, 1041735, 1182510, 1250082, 1388980, 1458429, 1944572, 2083470, 2365020, 2430715, 2500164, 2916858, 3125205, 4166940, 4375287, 4861430, 5833716, 6250410, 7292145, 8750574, 9722860, 12500820, 14584290, 17501148, 21876435, 29168580, 43752870, 87505740]

約数ペア:

[(1, 87505740), (2, 43752870), (3, 29168580), (4, 21876435), (5, 17501148), (6, 14584290), (7, 12500820), (9, 9722860), (10, 8750574), (12, 7292145), (14, 6250410), (15, 5833716), (18, 4861430), (20, 4375287), (21, 4166940), (28, 3125205), (30, 2916858), (35, 2500164), (36, 2430715), (37, 2365020), (42, 2083470), (45, 1944572), (60, 1458429), (63, 1388980), (70, 1250082), (74, 1182510), (84, 1041735), (90, 972286), (105, 833388), (111, 788340), (126, 694490), (140, 625041), (148, 591255), (180, 486143), (185, 473004), (210, 416694), (222, 394170), (252, 347245), (259, 337860), (315, 277796), (333, 262780), (370, 236502), (420, 208347), (444, 197085), (518, 168930), (555, 157668), (630, 138898), (666, 131390), (740, 118251), (777, 112620), (1036, 84465), (1110, 78834), (1260, 69449), (1295, 67572), (1332, 65695), (1554, 56310), (1665, 52556), (1877, 46620), (2220, 39417), (2331, 37540), (2590, 33786), (3108, 28155), (3330, 26278), (3754, 23310), (3885, 22524), (4662, 18770), (5180, 16893), (5631, 15540), (6660, 13139), (7508, 11655), (7770, 11262), (9324, 9385)]