71935920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{2039}}^1$

素因数の和:2072

約数の個数: 180

約数和(自身を含む): 281165040

約数和(自身を除く): 209229120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2039, 2205, 2352, 2520, 2940, 3528, 3920, 4078, 4410, 5040, 5880, 6117, 7056, 8156, 8820, 10195, 11760, 12234, 14273, 16312, 17640, 18351, 20390, 24468, 28546, 30585, 32624, 35280, 36702, 40780, 42819, 48936, 57092, 61170, 71365, 73404, 81560, 85638, 91755, 97872, 99911, 114184, 122340, 128457, 142730, 146808, 163120, 171276, 183510, 199822, 214095, 228368, 244680, 256914, 285460, 293616, 299733, 342552, 367020, 399644, 428190, 489360, 499555, 513828, 570920, 599466, 642285, 685104, 734040, 799288, 856380, 899199, 999110, 1027656, 1141840, 1198932, 1284570, 1468080, 1498665, 1598576, 1712760, 1798398, 1998220, 2055312, 2397864, 2569140, 2997330, 3425520, 3596796, 3996440, 4495995, 4795728, 5138280, 5994660, 7193592, 7992880, 8991990, 10276560, 11989320, 14387184, 17983980, 23978640, 35967960, 71935920]

約数ペア:

[(1, 71935920), (2, 35967960), (3, 23978640), (4, 17983980), (5, 14387184), (6, 11989320), (7, 10276560), (8, 8991990), (9, 7992880), (10, 7193592), (12, 5994660), (14, 5138280), (15, 4795728), (16, 4495995), (18, 3996440), (20, 3596796), (21, 3425520), (24, 2997330), (28, 2569140), (30, 2397864), (35, 2055312), (36, 1998220), (40, 1798398), (42, 1712760), (45, 1598576), (48, 1498665), (49, 1468080), (56, 1284570), (60, 1198932), (63, 1141840), (70, 1027656), (72, 999110), (80, 899199), (84, 856380), (90, 799288), (98, 734040), (105, 685104), (112, 642285), (120, 599466), (126, 570920), (140, 513828), (144, 499555), (147, 489360), (168, 428190), (180, 399644), (196, 367020), (210, 342552), (240, 299733), (245, 293616), (252, 285460), (280, 256914), (294, 244680), (315, 228368), (336, 214095), (360, 199822), (392, 183510), (420, 171276), (441, 163120), (490, 146808), (504, 142730), (560, 128457), (588, 122340), (630, 114184), (720, 99911), (735, 97872), (784, 91755), (840, 85638), (882, 81560), (980, 73404), (1008, 71365), (1176, 61170), (1260, 57092), (1470, 48936), (1680, 42819), (1764, 40780), (1960, 36702), (2039, 35280), (2205, 32624), (2352, 30585), (2520, 28546), (2940, 24468), (3528, 20390), (3920, 18351), (4078, 17640), (4410, 16312), (5040, 14273), (5880, 12234), (6117, 11760), (7056, 10195), (8156, 8820)]