1663194640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:861

約数の個数: 160

約数和(自身を含む): 4296867840

約数和(自身を除く): 2633673200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 47, 62, 76, 80, 94, 95, 124, 152, 155, 188, 190, 235, 248, 304, 310, 376, 380, 470, 496, 589, 620, 751, 752, 760, 893, 940, 1178, 1240, 1457, 1502, 1520, 1786, 1880, 2356, 2480, 2914, 2945, 3004, 3572, 3755, 3760, 4465, 4712, 5828, 5890, 6008, 7144, 7285, 7510, 8930, 9424, 11656, 11780, 12016, 14269, 14288, 14570, 15020, 17860, 23281, 23312, 23560, 27683, 28538, 29140, 30040, 35297, 35720, 46562, 47120, 55366, 57076, 58280, 60080, 70594, 71345, 71440, 93124, 110732, 114152, 116405, 116560, 138415, 141188, 142690, 176485, 186248, 221464, 228304, 232810, 276830, 282376, 285380, 352970, 372496, 442339, 442928, 465620, 553660, 564752, 570760, 670643, 705940, 884678, 931240, 1094207, 1107320, 1141520, 1341286, 1411880, 1769356, 1862480, 2188414, 2211695, 2214640, 2682572, 2823760, 3353215, 3538712, 4376828, 4423390, 5365144, 5471035, 6706430, 7077424, 8753656, 8846780, 10730288, 10942070, 13412860, 17507312, 17693560, 20789933, 21884140, 26825720, 35387120, 41579866, 43768280, 53651440, 83159732, 87536560, 103949665, 166319464, 207899330, 332638928, 415798660, 831597320, 1663194640]

約数ペア:

[(1, 1663194640), (2, 831597320), (4, 415798660), (5, 332638928), (8, 207899330), (10, 166319464), (16, 103949665), (19, 87536560), (20, 83159732), (31, 53651440), (38, 43768280), (40, 41579866), (47, 35387120), (62, 26825720), (76, 21884140), (80, 20789933), (94, 17693560), (95, 17507312), (124, 13412860), (152, 10942070), (155, 10730288), (188, 8846780), (190, 8753656), (235, 7077424), (248, 6706430), (304, 5471035), (310, 5365144), (376, 4423390), (380, 4376828), (470, 3538712), (496, 3353215), (589, 2823760), (620, 2682572), (751, 2214640), (752, 2211695), (760, 2188414), (893, 1862480), (940, 1769356), (1178, 1411880), (1240, 1341286), (1457, 1141520), (1502, 1107320), (1520, 1094207), (1786, 931240), (1880, 884678), (2356, 705940), (2480, 670643), (2914, 570760), (2945, 564752), (3004, 553660), (3572, 465620), (3755, 442928), (3760, 442339), (4465, 372496), (4712, 352970), (5828, 285380), (5890, 282376), (6008, 276830), (7144, 232810), (7285, 228304), (7510, 221464), (8930, 186248), (9424, 176485), (11656, 142690), (11780, 141188), (12016, 138415), (14269, 116560), (14288, 116405), (14570, 114152), (15020, 110732), (17860, 93124), (23281, 71440), (23312, 71345), (23560, 70594), (27683, 60080), (28538, 58280), (29140, 57076), (30040, 55366), (35297, 47120), (35720, 46562)]