61851720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 220466880

約数和(自身を除く): 158615160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 67, 70, 84, 98, 105, 120, 134, 140, 147, 157, 168, 196, 201, 210, 245, 268, 280, 294, 314, 335, 392, 402, 420, 469, 471, 490, 536, 588, 628, 670, 735, 785, 804, 840, 938, 942, 980, 1005, 1099, 1176, 1256, 1340, 1407, 1470, 1570, 1608, 1876, 1884, 1960, 2010, 2198, 2345, 2355, 2680, 2814, 2940, 3140, 3283, 3297, 3752, 3768, 4020, 4396, 4690, 4710, 5495, 5628, 5880, 6280, 6566, 6594, 7035, 7693, 8040, 8792, 9380, 9420, 9849, 10519, 10990, 11256, 13132, 13188, 14070, 15386, 16415, 16485, 18760, 18840, 19698, 21038, 21980, 23079, 26264, 26376, 28140, 30772, 31557, 32830, 32970, 38465, 39396, 42076, 43960, 46158, 49245, 52595, 56280, 61544, 63114, 65660, 65940, 73633, 76930, 78792, 84152, 92316, 98490, 105190, 115395, 126228, 131320, 131880, 147266, 153860, 157785, 184632, 196980, 210380, 220899, 230790, 252456, 294532, 307720, 315570, 368165, 393960, 420760, 441798, 461580, 515431, 589064, 631140, 736330, 883596, 923160, 1030862, 1104495, 1262280, 1472660, 1546293, 1767192, 2061724, 2208990, 2577155, 2945320, 3092586, 4123448, 4417980, 5154310, 6185172, 7731465, 8835960, 10308620, 12370344, 15462930, 20617240, 30925860, 61851720]

約数ペア:

[(1, 61851720), (2, 30925860), (3, 20617240), (4, 15462930), (5, 12370344), (6, 10308620), (7, 8835960), (8, 7731465), (10, 6185172), (12, 5154310), (14, 4417980), (15, 4123448), (20, 3092586), (21, 2945320), (24, 2577155), (28, 2208990), (30, 2061724), (35, 1767192), (40, 1546293), (42, 1472660), (49, 1262280), (56, 1104495), (60, 1030862), (67, 923160), (70, 883596), (84, 736330), (98, 631140), (105, 589064), (120, 515431), (134, 461580), (140, 441798), (147, 420760), (157, 393960), (168, 368165), (196, 315570), (201, 307720), (210, 294532), (245, 252456), (268, 230790), (280, 220899), (294, 210380), (314, 196980), (335, 184632), (392, 157785), (402, 153860), (420, 147266), (469, 131880), (471, 131320), (490, 126228), (536, 115395), (588, 105190), (628, 98490), (670, 92316), (735, 84152), (785, 78792), (804, 76930), (840, 73633), (938, 65940), (942, 65660), (980, 63114), (1005, 61544), (1099, 56280), (1176, 52595), (1256, 49245), (1340, 46158), (1407, 43960), (1470, 42076), (1570, 39396), (1608, 38465), (1876, 32970), (1884, 32830), (1960, 31557), (2010, 30772), (2198, 28140), (2345, 26376), (2355, 26264), (2680, 23079), (2814, 21980), (2940, 21038), (3140, 19698), (3283, 18840), (3297, 18760), (3752, 16485), (3768, 16415), (4020, 15386), (4396, 14070), (4690, 13188), (4710, 13132), (5495, 11256), (5628, 10990), (5880, 10519), (6280, 9849), (6566, 9420), (6594, 9380), (7035, 8792), (7693, 8040)]