378993420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 1247500800

約数和(自身を除く): 868507380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 149, 156, 180, 195, 234, 260, 298, 390, 447, 468, 585, 596, 745, 780, 894, 1087, 1170, 1341, 1490, 1788, 1937, 2174, 2235, 2340, 2682, 2980, 3261, 3874, 4348, 4470, 5364, 5435, 5811, 6522, 6705, 7748, 8940, 9685, 9783, 10870, 11622, 13044, 13410, 14131, 16305, 17433, 19370, 19566, 21740, 23244, 26820, 28262, 29055, 32610, 34866, 38740, 39132, 42393, 48915, 56524, 58110, 65220, 69732, 70655, 84786, 87165, 97830, 116220, 127179, 141310, 161963, 169572, 174330, 195660, 211965, 254358, 282620, 323926, 348660, 423930, 485889, 508716, 635895, 647852, 809815, 847860, 971778, 1271790, 1457667, 1619630, 1943556, 2105519, 2429445, 2543580, 2915334, 3239260, 4211038, 4858890, 5830668, 6316557, 7288335, 8422076, 9717780, 10527595, 12633114, 14576670, 18949671, 21055190, 25266228, 29153340, 31582785, 37899342, 42110380, 63165570, 75798684, 94748355, 126331140, 189496710, 378993420]

約数ペア:

[(1, 378993420), (2, 189496710), (3, 126331140), (4, 94748355), (5, 75798684), (6, 63165570), (9, 42110380), (10, 37899342), (12, 31582785), (13, 29153340), (15, 25266228), (18, 21055190), (20, 18949671), (26, 14576670), (30, 12633114), (36, 10527595), (39, 9717780), (45, 8422076), (52, 7288335), (60, 6316557), (65, 5830668), (78, 4858890), (90, 4211038), (117, 3239260), (130, 2915334), (149, 2543580), (156, 2429445), (180, 2105519), (195, 1943556), (234, 1619630), (260, 1457667), (298, 1271790), (390, 971778), (447, 847860), (468, 809815), (585, 647852), (596, 635895), (745, 508716), (780, 485889), (894, 423930), (1087, 348660), (1170, 323926), (1341, 282620), (1490, 254358), (1788, 211965), (1937, 195660), (2174, 174330), (2235, 169572), (2340, 161963), (2682, 141310), (2980, 127179), (3261, 116220), (3874, 97830), (4348, 87165), (4470, 84786), (5364, 70655), (5435, 69732), (5811, 65220), (6522, 58110), (6705, 56524), (7748, 48915), (8940, 42393), (9685, 39132), (9783, 38740), (10870, 34866), (11622, 32610), (13044, 29055), (13410, 28262), (14131, 26820), (16305, 23244), (17433, 21740), (19370, 19566)]