320641020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{641}}^1$

素因数の和:1060

約数の個数: 144

約数和(自身を含む): 1116093888

約数和(自身を除く): 795452868

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 397, 420, 630, 641, 794, 1191, 1260, 1282, 1588, 1923, 1985, 2382, 2564, 2779, 3205, 3573, 3846, 3970, 4487, 4764, 5558, 5769, 5955, 6410, 7146, 7692, 7940, 8337, 8974, 9615, 11116, 11538, 11910, 12820, 13461, 13895, 14292, 16674, 17865, 17948, 19230, 22435, 23076, 23820, 25011, 26922, 27790, 28845, 33348, 35730, 38460, 40383, 41685, 44870, 50022, 53844, 55580, 57690, 67305, 71460, 80766, 83370, 89740, 100044, 115380, 125055, 134610, 161532, 166740, 201915, 250110, 254477, 269220, 403830, 500220, 508954, 763431, 807660, 1017908, 1272385, 1526862, 1781339, 2290293, 2544770, 3053724, 3562678, 3817155, 4580586, 5089540, 5344017, 7125356, 7634310, 8906695, 9161172, 10688034, 11451465, 15268620, 16032051, 17813390, 21376068, 22902930, 26720085, 32064102, 35626780, 45805860, 53440170, 64128204, 80160255, 106880340, 160320510, 320641020]

約数ペア:

[(1, 320641020), (2, 160320510), (3, 106880340), (4, 80160255), (5, 64128204), (6, 53440170), (7, 45805860), (9, 35626780), (10, 32064102), (12, 26720085), (14, 22902930), (15, 21376068), (18, 17813390), (20, 16032051), (21, 15268620), (28, 11451465), (30, 10688034), (35, 9161172), (36, 8906695), (42, 7634310), (45, 7125356), (60, 5344017), (63, 5089540), (70, 4580586), (84, 3817155), (90, 3562678), (105, 3053724), (126, 2544770), (140, 2290293), (180, 1781339), (210, 1526862), (252, 1272385), (315, 1017908), (397, 807660), (420, 763431), (630, 508954), (641, 500220), (794, 403830), (1191, 269220), (1260, 254477), (1282, 250110), (1588, 201915), (1923, 166740), (1985, 161532), (2382, 134610), (2564, 125055), (2779, 115380), (3205, 100044), (3573, 89740), (3846, 83370), (3970, 80766), (4487, 71460), (4764, 67305), (5558, 57690), (5769, 55580), (5955, 53844), (6410, 50022), (7146, 44870), (7692, 41685), (7940, 40383), (8337, 38460), (8974, 35730), (9615, 33348), (11116, 28845), (11538, 27790), (11910, 26922), (12820, 25011), (13461, 23820), (13895, 23076), (14292, 22435), (16674, 19230), (17865, 17948)]