201053560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 503807040

約数和(自身を除く): 302753480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 61, 68, 74, 85, 122, 131, 136, 148, 170, 185, 244, 262, 296, 305, 340, 370, 488, 524, 610, 629, 655, 680, 740, 1037, 1048, 1220, 1258, 1310, 1480, 2074, 2227, 2257, 2440, 2516, 2620, 3145, 4148, 4454, 4514, 4847, 5032, 5185, 5240, 6290, 7991, 8296, 8908, 9028, 9694, 10370, 11135, 11285, 12580, 15982, 17816, 18056, 19388, 20740, 22270, 22570, 24235, 25160, 31964, 38369, 38776, 39955, 41480, 44540, 45140, 48470, 63928, 76738, 79910, 82399, 89080, 90280, 96940, 135847, 153476, 159820, 164798, 191845, 193880, 271694, 295667, 306952, 319640, 329596, 383690, 411995, 543388, 591334, 659192, 679235, 767380, 823990, 1086776, 1182668, 1358470, 1478335, 1534760, 1647980, 2365336, 2716940, 2956670, 3295960, 5026339, 5433880, 5913340, 10052678, 11826680, 20105356, 25131695, 40210712, 50263390, 100526780, 201053560]

約数ペア:

[(1, 201053560), (2, 100526780), (4, 50263390), (5, 40210712), (8, 25131695), (10, 20105356), (17, 11826680), (20, 10052678), (34, 5913340), (37, 5433880), (40, 5026339), (61, 3295960), (68, 2956670), (74, 2716940), (85, 2365336), (122, 1647980), (131, 1534760), (136, 1478335), (148, 1358470), (170, 1182668), (185, 1086776), (244, 823990), (262, 767380), (296, 679235), (305, 659192), (340, 591334), (370, 543388), (488, 411995), (524, 383690), (610, 329596), (629, 319640), (655, 306952), (680, 295667), (740, 271694), (1037, 193880), (1048, 191845), (1220, 164798), (1258, 159820), (1310, 153476), (1480, 135847), (2074, 96940), (2227, 90280), (2257, 89080), (2440, 82399), (2516, 79910), (2620, 76738), (3145, 63928), (4148, 48470), (4454, 45140), (4514, 44540), (4847, 41480), (5032, 39955), (5185, 38776), (5240, 38369), (6290, 31964), (7991, 25160), (8296, 24235), (8908, 22570), (9028, 22270), (9694, 20740), (10370, 19388), (11135, 18056), (11285, 17816), (12580, 15982)]