2151878640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1297}}^1$

素因数の和:1567

約数の個数: 160

約数和(自身を含む): 6922223616

約数和(自身を除く): 4770344976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 223, 240, 248, 310, 372, 446, 465, 496, 620, 669, 744, 892, 930, 1115, 1240, 1297, 1338, 1488, 1784, 1860, 2230, 2480, 2594, 2676, 3345, 3568, 3720, 3891, 4460, 5188, 5352, 6485, 6690, 6913, 7440, 7782, 8920, 10376, 10704, 12970, 13380, 13826, 15564, 17840, 19455, 20739, 20752, 25940, 26760, 27652, 31128, 34565, 38910, 40207, 41478, 51880, 53520, 55304, 62256, 69130, 77820, 80414, 82956, 103695, 103760, 110608, 120621, 138260, 155640, 160828, 165912, 201035, 207390, 241242, 276520, 289231, 311280, 321656, 331824, 402070, 414780, 482484, 553040, 578462, 603105, 643312, 804140, 829560, 867693, 964968, 1156924, 1206210, 1446155, 1608280, 1659120, 1735386, 1929936, 2313848, 2412420, 2892310, 3216560, 3470772, 4338465, 4627696, 4824840, 5784620, 6941544, 8676930, 8966161, 9649680, 11569240, 13883088, 17353860, 17932322, 23138480, 26898483, 34707720, 35864644, 44830805, 53796966, 69415440, 71729288, 89661610, 107593932, 134492415, 143458576, 179323220, 215187864, 268984830, 358646440, 430375728, 537969660, 717292880, 1075939320, 2151878640]

約数ペア:

[(1, 2151878640), (2, 1075939320), (3, 717292880), (4, 537969660), (5, 430375728), (6, 358646440), (8, 268984830), (10, 215187864), (12, 179323220), (15, 143458576), (16, 134492415), (20, 107593932), (24, 89661610), (30, 71729288), (31, 69415440), (40, 53796966), (48, 44830805), (60, 35864644), (62, 34707720), (80, 26898483), (93, 23138480), (120, 17932322), (124, 17353860), (155, 13883088), (186, 11569240), (223, 9649680), (240, 8966161), (248, 8676930), (310, 6941544), (372, 5784620), (446, 4824840), (465, 4627696), (496, 4338465), (620, 3470772), (669, 3216560), (744, 2892310), (892, 2412420), (930, 2313848), (1115, 1929936), (1240, 1735386), (1297, 1659120), (1338, 1608280), (1488, 1446155), (1784, 1206210), (1860, 1156924), (2230, 964968), (2480, 867693), (2594, 829560), (2676, 804140), (3345, 643312), (3568, 603105), (3720, 578462), (3891, 553040), (4460, 482484), (5188, 414780), (5352, 402070), (6485, 331824), (6690, 321656), (6913, 311280), (7440, 289231), (7782, 276520), (8920, 241242), (10376, 207390), (10704, 201035), (12970, 165912), (13380, 160828), (13826, 155640), (15564, 138260), (17840, 120621), (19455, 110608), (20739, 103760), (20752, 103695), (25940, 82956), (26760, 80414), (27652, 77820), (31128, 69130), (34565, 62256), (38910, 55304), (40207, 53520), (41478, 51880)]