1520809780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18443}}^1$

素因数の和:18509

約数の個数: 96

約数和(自身を含む): 3966197760

約数和(自身を除く): 2445387980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2660, 2945, 4123, 4340, 5890, 8246, 11780, 16492, 18443, 20615, 36886, 41230, 73772, 82460, 92215, 129101, 184430, 258202, 350417, 368860, 516404, 571733, 645505, 700834, 1143466, 1291010, 1401668, 1752085, 2286932, 2452919, 2582020, 2858665, 3504170, 4002131, 4905838, 5717330, 7008340, 8004262, 9811676, 10862927, 11434660, 12264595, 16008524, 20010655, 21725854, 24529190, 40021310, 43451708, 49058380, 54314635, 76040489, 80042620, 108629270, 152080978, 217258540, 304161956, 380202445, 760404890, 1520809780]

約数ペア:

[(1, 1520809780), (2, 760404890), (4, 380202445), (5, 304161956), (7, 217258540), (10, 152080978), (14, 108629270), (19, 80042620), (20, 76040489), (28, 54314635), (31, 49058380), (35, 43451708), (38, 40021310), (62, 24529190), (70, 21725854), (76, 20010655), (95, 16008524), (124, 12264595), (133, 11434660), (140, 10862927), (155, 9811676), (190, 8004262), (217, 7008340), (266, 5717330), (310, 4905838), (380, 4002131), (434, 3504170), (532, 2858665), (589, 2582020), (620, 2452919), (665, 2286932), (868, 1752085), (1085, 1401668), (1178, 1291010), (1330, 1143466), (2170, 700834), (2356, 645505), (2660, 571733), (2945, 516404), (4123, 368860), (4340, 350417), (5890, 258202), (8246, 184430), (11780, 129101), (16492, 92215), (18443, 82460), (20615, 73772), (36886, 41230)]