About the Number

120688380

120688379 ← → 120688381

2進数表記:111001100011000111011111100

漢数字表記:一億二千六十八万八千三百八十

素因数分解:

2 2 × 3 5 × 5 1 × 19 1 × 1307 1

素因数の和:1350
約数の個数: 144
約数和(自身を含む): 399934080
約数和(自身を除く): 279245700

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1307, 1539, 1620, 1710, 2052, 2430, 2565, 2614, 3078, 3420, 3921, 4617, 4860, 5130, 5228, 6156, 6535, 7695, 7842, 9234, 10260, 11763, 13070, 15390, 15684, 18468, 19605, 23085, 23526, 24833, 26140, 30780, 35289, 39210, 46170, 47052, 49666, 58815, 70578, 74499, 78420, 92340, 99332, 105867, 117630, 124165, 141156, 148998, 176445, 211734, 223497, 235260, 248330, 297996, 317601, 352890, 372495, 423468, 446994, 496660, 529335, 635202, 670491, 705780, 744990, 893988, 1058670, 1117485, 1270404, 1340982, 1489980, 1588005, 2011473, 2117340, 2234970, 2681964, 3176010, 3352455, 4022946, 4469940, 6034419, 6352020, 6704910, 8045892, 10057365, 12068838, 13409820, 20114730, 24137676, 30172095, 40229460, 60344190, 120688380]

約数ペア:
[(1, 120688380), (2, 60344190), (3, 40229460), (4, 30172095), (5, 24137676), (6, 20114730), (9, 13409820), (10, 12068838), (12, 10057365), (15, 8045892), (18, 6704910), (19, 6352020), (20, 6034419), (27, 4469940), (30, 4022946), (36, 3352455), (38, 3176010), (45, 2681964), (54, 2234970), (57, 2117340), (60, 2011473), (76, 1588005), (81, 1489980), (90, 1340982), (95, 1270404), (108, 1117485), (114, 1058670), (135, 893988), (162, 744990), (171, 705780), (180, 670491), (190, 635202), (228, 529335), (243, 496660), (270, 446994), (285, 423468), (324, 372495), (342, 352890), (380, 317601), (405, 297996), (486, 248330), (513, 235260), (540, 223497), (570, 211734), (684, 176445), (810, 148998), (855, 141156), (972, 124165), (1026, 117630), (1140, 105867), (1215, 99332), (1307, 92340), (1539, 78420), (1620, 74499), (1710, 70578), (2052, 58815), (2430, 49666), (2565, 47052), (2614, 46170), (3078, 39210), (3420, 35289), (3921, 30780), (4617, 26140), (4860, 24833), (5130, 23526), (5228, 23085), (6156, 19605), (6535, 18468), (7695, 15684), (7842, 15390), (9234, 13070), (10260, 11763)]

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