15680700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 59579520

約数和(自身を除く): 43898820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 25, 28, 30, 35, 36, 38, 42, 45, 50, 57, 60, 63, 70, 75, 76, 84, 90, 95, 100, 105, 114, 126, 131, 133, 140, 150, 171, 175, 180, 190, 210, 225, 228, 252, 262, 266, 285, 300, 315, 342, 350, 380, 393, 399, 420, 450, 475, 524, 525, 532, 570, 630, 655, 665, 684, 700, 786, 798, 855, 900, 917, 950, 1050, 1140, 1179, 1197, 1260, 1310, 1330, 1425, 1572, 1575, 1596, 1710, 1834, 1900, 1965, 1995, 2100, 2358, 2394, 2489, 2620, 2660, 2751, 2850, 3150, 3275, 3325, 3420, 3668, 3930, 3990, 4275, 4585, 4716, 4788, 4978, 5502, 5700, 5895, 5985, 6300, 6550, 6650, 7467, 7860, 7980, 8253, 8550, 9170, 9825, 9956, 9975, 11004, 11790, 11970, 12445, 13100, 13300, 13755, 14934, 16506, 17100, 17423, 18340, 19650, 19950, 22401, 22925, 23580, 23940, 24890, 27510, 29475, 29868, 29925, 33012, 34846, 37335, 39300, 39900, 41265, 44802, 45850, 49780, 52269, 55020, 58950, 59850, 62225, 68775, 69692, 74670, 82530, 87115, 89604, 91700, 104538, 112005, 117900, 119700, 124450, 137550, 149340, 156807, 165060, 174230, 186675, 206325, 209076, 224010, 248900, 261345, 275100, 313614, 348460, 373350, 412650, 435575, 448020, 522690, 560025, 627228, 746700, 784035, 825300, 871150, 1045380, 1120050, 1306725, 1568070, 1742300, 2240100, 2613450, 3136140, 3920175, 5226900, 7840350, 15680700]

約数ペア:

[(1, 15680700), (2, 7840350), (3, 5226900), (4, 3920175), (5, 3136140), (6, 2613450), (7, 2240100), (9, 1742300), (10, 1568070), (12, 1306725), (14, 1120050), (15, 1045380), (18, 871150), (19, 825300), (20, 784035), (21, 746700), (25, 627228), (28, 560025), (30, 522690), (35, 448020), (36, 435575), (38, 412650), (42, 373350), (45, 348460), (50, 313614), (57, 275100), (60, 261345), (63, 248900), (70, 224010), (75, 209076), (76, 206325), (84, 186675), (90, 174230), (95, 165060), (100, 156807), (105, 149340), (114, 137550), (126, 124450), (131, 119700), (133, 117900), (140, 112005), (150, 104538), (171, 91700), (175, 89604), (180, 87115), (190, 82530), (210, 74670), (225, 69692), (228, 68775), (252, 62225), (262, 59850), (266, 58950), (285, 55020), (300, 52269), (315, 49780), (342, 45850), (350, 44802), (380, 41265), (393, 39900), (399, 39300), (420, 37335), (450, 34846), (475, 33012), (524, 29925), (525, 29868), (532, 29475), (570, 27510), (630, 24890), (655, 23940), (665, 23580), (684, 22925), (700, 22401), (786, 19950), (798, 19650), (855, 18340), (900, 17423), (917, 17100), (950, 16506), (1050, 14934), (1140, 13755), (1179, 13300), (1197, 13100), (1260, 12445), (1310, 11970), (1330, 11790), (1425, 11004), (1572, 9975), (1575, 9956), (1596, 9825), (1710, 9170), (1834, 8550), (1900, 8253), (1965, 7980), (1995, 7860), (2100, 7467), (2358, 6650), (2394, 6550), (2489, 6300), (2620, 5985), (2660, 5895), (2751, 5700), (2850, 5502), (3150, 4978), (3275, 4788), (3325, 4716), (3420, 4585), (3668, 4275), (3930, 3990)]