31907880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1531

約数の個数: 96

約数和(自身を含む): 105473160

約数和(自身を除く): 73565280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1453, 1464, 1830, 2196, 2440, 2745, 2906, 3660, 4359, 4392, 5490, 5812, 7265, 7320, 8718, 10980, 11624, 13077, 14530, 17436, 21795, 21960, 26154, 29060, 34872, 43590, 52308, 58120, 65385, 87180, 88633, 104616, 130770, 174360, 177266, 261540, 265899, 354532, 443165, 523080, 531798, 709064, 797697, 886330, 1063596, 1329495, 1595394, 1772660, 2127192, 2658990, 3190788, 3545320, 3988485, 5317980, 6381576, 7976970, 10635960, 15953940, 31907880]

約数ペア:

[(1, 31907880), (2, 15953940), (3, 10635960), (4, 7976970), (5, 6381576), (6, 5317980), (8, 3988485), (9, 3545320), (10, 3190788), (12, 2658990), (15, 2127192), (18, 1772660), (20, 1595394), (24, 1329495), (30, 1063596), (36, 886330), (40, 797697), (45, 709064), (60, 531798), (61, 523080), (72, 443165), (90, 354532), (120, 265899), (122, 261540), (180, 177266), (183, 174360), (244, 130770), (305, 104616), (360, 88633), (366, 87180), (488, 65385), (549, 58120), (610, 52308), (732, 43590), (915, 34872), (1098, 29060), (1220, 26154), (1453, 21960), (1464, 21795), (1830, 17436), (2196, 14530), (2440, 13077), (2745, 11624), (2906, 10980), (3660, 8718), (4359, 7320), (4392, 7265), (5490, 5812)]