30925860

素因数分解:

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

素因数の和:250

約数の個数: 144

約数和(自身を含む): 102884544

約数和(自身を除く): 71958684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 67, 70, 84, 98, 105, 134, 140, 147, 157, 196, 201, 210, 245, 268, 294, 314, 335, 402, 420, 469, 471, 490, 588, 628, 670, 735, 785, 804, 938, 942, 980, 1005, 1099, 1340, 1407, 1470, 1570, 1876, 1884, 2010, 2198, 2345, 2355, 2814, 2940, 3140, 3283, 3297, 4020, 4396, 4690, 4710, 5495, 5628, 6566, 6594, 7035, 7693, 9380, 9420, 9849, 10519, 10990, 13132, 13188, 14070, 15386, 16415, 16485, 19698, 21038, 21980, 23079, 28140, 30772, 31557, 32830, 32970, 38465, 39396, 42076, 46158, 49245, 52595, 63114, 65660, 65940, 73633, 76930, 92316, 98490, 105190, 115395, 126228, 147266, 153860, 157785, 196980, 210380, 220899, 230790, 294532, 315570, 368165, 441798, 461580, 515431, 631140, 736330, 883596, 1030862, 1104495, 1472660, 1546293, 2061724, 2208990, 2577155, 3092586, 4417980, 5154310, 6185172, 7731465, 10308620, 15462930, 30925860]

約数ペア:

[(1, 30925860), (2, 15462930), (3, 10308620), (4, 7731465), (5, 6185172), (6, 5154310), (7, 4417980), (10, 3092586), (12, 2577155), (14, 2208990), (15, 2061724), (20, 1546293), (21, 1472660), (28, 1104495), (30, 1030862), (35, 883596), (42, 736330), (49, 631140), (60, 515431), (67, 461580), (70, 441798), (84, 368165), (98, 315570), (105, 294532), (134, 230790), (140, 220899), (147, 210380), (157, 196980), (196, 157785), (201, 153860), (210, 147266), (245, 126228), (268, 115395), (294, 105190), (314, 98490), (335, 92316), (402, 76930), (420, 73633), (469, 65940), (471, 65660), (490, 63114), (588, 52595), (628, 49245), (670, 46158), (735, 42076), (785, 39396), (804, 38465), (938, 32970), (942, 32830), (980, 31557), (1005, 30772), (1099, 28140), (1340, 23079), (1407, 21980), (1470, 21038), (1570, 19698), (1876, 16485), (1884, 16415), (2010, 15386), (2198, 14070), (2345, 13188), (2355, 13132), (2814, 10990), (2940, 10519), (3140, 9849), (3283, 9420), (3297, 9380), (4020, 7693), (4396, 7035), (4690, 6594), (4710, 6566), (5495, 5628)]