About the Number

70028640

70028639 ← → 70028641

2進数表記:100001011001000110101100000

漢数字表記:七千二万八千六百四十

素因数分解:

2 5 × 3 2 × 5 1 × 11 1 × 4421 1

素因数の和:4453
約数の個数: 144
約数和(自身を含む): 260756496
約数和(自身を除く): 190727856

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4421, 5280, 7920, 8842, 13263, 15840, 17684, 22105, 26526, 35368, 39789, 44210, 48631, 53052, 66315, 70736, 79578, 88420, 97262, 106104, 132630, 141472, 145893, 159156, 176840, 194524, 198945, 212208, 243155, 265260, 291786, 318312, 353680, 389048, 397890, 424416, 437679, 486310, 530520, 583572, 636624, 707360, 729465, 778096, 795780, 875358, 972620, 1061040, 1167144, 1273248, 1458930, 1556192, 1591560, 1750716, 1945240, 2122080, 2188395, 2334288, 2917860, 3183120, 3501432, 3890480, 4376790, 4668576, 5835720, 6366240, 7002864, 7780960, 8753580, 11671440, 14005728, 17507160, 23342880, 35014320, 70028640]

約数ペア:
[(1, 70028640), (2, 35014320), (3, 23342880), (4, 17507160), (5, 14005728), (6, 11671440), (8, 8753580), (9, 7780960), (10, 7002864), (11, 6366240), (12, 5835720), (15, 4668576), (16, 4376790), (18, 3890480), (20, 3501432), (22, 3183120), (24, 2917860), (30, 2334288), (32, 2188395), (33, 2122080), (36, 1945240), (40, 1750716), (44, 1591560), (45, 1556192), (48, 1458930), (55, 1273248), (60, 1167144), (66, 1061040), (72, 972620), (80, 875358), (88, 795780), (90, 778096), (96, 729465), (99, 707360), (110, 636624), (120, 583572), (132, 530520), (144, 486310), (160, 437679), (165, 424416), (176, 397890), (180, 389048), (198, 353680), (220, 318312), (240, 291786), (264, 265260), (288, 243155), (330, 212208), (352, 198945), (360, 194524), (396, 176840), (440, 159156), (480, 145893), (495, 141472), (528, 132630), (660, 106104), (720, 97262), (792, 88420), (880, 79578), (990, 70736), (1056, 66315), (1320, 53052), (1440, 48631), (1584, 44210), (1760, 39789), (1980, 35368), (2640, 26526), (3168, 22105), (3960, 17684), (4421, 15840), (5280, 13263), (7920, 8842)]

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