172778190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{461}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 462436128

約数和(自身を除く): 289657938

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 461, 465, 806, 922, 930, 961, 1209, 1383, 1922, 2015, 2305, 2418, 2766, 2883, 4030, 4610, 4805, 5766, 5993, 6045, 6915, 9610, 11986, 12090, 12493, 13830, 14291, 14415, 17979, 24986, 28582, 28830, 29965, 35958, 37479, 42873, 59930, 62465, 71455, 74958, 85746, 89895, 124930, 142910, 179790, 185783, 187395, 214365, 371566, 374790, 428730, 443021, 557349, 886042, 928915, 1114698, 1329063, 1857830, 2215105, 2658126, 2786745, 4430210, 5573490, 5759273, 6645315, 11518546, 13290630, 17277819, 28796365, 34555638, 57592730, 86389095, 172778190]

約数ペア:

[(1, 172778190), (2, 86389095), (3, 57592730), (5, 34555638), (6, 28796365), (10, 17277819), (13, 13290630), (15, 11518546), (26, 6645315), (30, 5759273), (31, 5573490), (39, 4430210), (62, 2786745), (65, 2658126), (78, 2215105), (93, 1857830), (130, 1329063), (155, 1114698), (186, 928915), (195, 886042), (310, 557349), (390, 443021), (403, 428730), (461, 374790), (465, 371566), (806, 214365), (922, 187395), (930, 185783), (961, 179790), (1209, 142910), (1383, 124930), (1922, 89895), (2015, 85746), (2305, 74958), (2418, 71455), (2766, 62465), (2883, 59930), (4030, 42873), (4610, 37479), (4805, 35958), (5766, 29965), (5993, 28830), (6045, 28582), (6915, 24986), (9610, 17979), (11986, 14415), (12090, 14291), (12493, 13830)]