255221820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 914457600

約数和(自身を除く): 659235780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 251, 252, 269, 270, 315, 378, 420, 502, 538, 540, 630, 753, 756, 807, 945, 1004, 1076, 1255, 1260, 1345, 1506, 1614, 1757, 1883, 1890, 2259, 2421, 2510, 2690, 3012, 3228, 3514, 3765, 3766, 3780, 4035, 4518, 4842, 5020, 5271, 5380, 5649, 6777, 7028, 7263, 7530, 7532, 8070, 8785, 9036, 9415, 9684, 10542, 11295, 11298, 12105, 13554, 14526, 15060, 15813, 16140, 16947, 17570, 18830, 21084, 22590, 22596, 24210, 26355, 27108, 28245, 29052, 31626, 33885, 33894, 35140, 36315, 37660, 45180, 47439, 48420, 50841, 52710, 56490, 63252, 67519, 67770, 67788, 72630, 79065, 84735, 94878, 101682, 105420, 112980, 135038, 135540, 145260, 158130, 169470, 189756, 202557, 203364, 237195, 254205, 270076, 316260, 337595, 338940, 405114, 472633, 474390, 508410, 607671, 675190, 810228, 945266, 948780, 1012785, 1016820, 1215342, 1350380, 1417899, 1823013, 1890532, 2025570, 2363165, 2430684, 2835798, 3038355, 3646026, 4051140, 4253697, 4726330, 5671596, 6076710, 7089495, 7292052, 8507394, 9115065, 9452660, 12153420, 12761091, 14178990, 17014788, 18230130, 21268485, 25522182, 28357980, 36460260, 42536970, 51044364, 63805455, 85073940, 127610910, 255221820]

約数ペア:

[(1, 255221820), (2, 127610910), (3, 85073940), (4, 63805455), (5, 51044364), (6, 42536970), (7, 36460260), (9, 28357980), (10, 25522182), (12, 21268485), (14, 18230130), (15, 17014788), (18, 14178990), (20, 12761091), (21, 12153420), (27, 9452660), (28, 9115065), (30, 8507394), (35, 7292052), (36, 7089495), (42, 6076710), (45, 5671596), (54, 4726330), (60, 4253697), (63, 4051140), (70, 3646026), (84, 3038355), (90, 2835798), (105, 2430684), (108, 2363165), (126, 2025570), (135, 1890532), (140, 1823013), (180, 1417899), (189, 1350380), (210, 1215342), (251, 1016820), (252, 1012785), (269, 948780), (270, 945266), (315, 810228), (378, 675190), (420, 607671), (502, 508410), (538, 474390), (540, 472633), (630, 405114), (753, 338940), (756, 337595), (807, 316260), (945, 270076), (1004, 254205), (1076, 237195), (1255, 203364), (1260, 202557), (1345, 189756), (1506, 169470), (1614, 158130), (1757, 145260), (1883, 135540), (1890, 135038), (2259, 112980), (2421, 105420), (2510, 101682), (2690, 94878), (3012, 84735), (3228, 79065), (3514, 72630), (3765, 67788), (3766, 67770), (3780, 67519), (4035, 63252), (4518, 56490), (4842, 52710), (5020, 50841), (5271, 48420), (5380, 47439), (5649, 45180), (6777, 37660), (7028, 36315), (7263, 35140), (7530, 33894), (7532, 33885), (8070, 31626), (8785, 29052), (9036, 28245), (9415, 27108), (9684, 26355), (10542, 24210), (11295, 22596), (11298, 22590), (12105, 21084), (13554, 18830), (14526, 17570), (15060, 16947), (15813, 16140)]