777776220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1284

約数の個数: 144

約数和(自身を含む): 2550344160

約数和(自身を除く): 1772567940

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, 156, 180, 195, 234, 260, 379, 390, 468, 585, 758, 780, 877, 1137, 1170, 1516, 1754, 1895, 2274, 2340, 2631, 3411, 3508, 3790, 4385, 4548, 4927, 5262, 5685, 6822, 7580, 7893, 8770, 9854, 10524, 11370, 11401, 13155, 13644, 14781, 15786, 17055, 17540, 19708, 22740, 22802, 24635, 26310, 29562, 31572, 34110, 34203, 39465, 44343, 45604, 49270, 52620, 57005, 59124, 68220, 68406, 73905, 78930, 88686, 98540, 102609, 114010, 136812, 147810, 157860, 171015, 177372, 205218, 221715, 228020, 295620, 332383, 342030, 410436, 443430, 513045, 664766, 684060, 886860, 997149, 1026090, 1329532, 1661915, 1994298, 2052180, 2991447, 3323830, 3988596, 4320979, 4985745, 5982894, 6647660, 8641958, 9971490, 11965788, 12962937, 14957235, 17283916, 19942980, 21604895, 25925874, 29914470, 38888811, 43209790, 51851748, 59828940, 64814685, 77777622, 86419580, 129629370, 155555244, 194444055, 259258740, 388888110, 777776220]

約数ペア:

[(1, 777776220), (2, 388888110), (3, 259258740), (4, 194444055), (5, 155555244), (6, 129629370), (9, 86419580), (10, 77777622), (12, 64814685), (13, 59828940), (15, 51851748), (18, 43209790), (20, 38888811), (26, 29914470), (30, 25925874), (36, 21604895), (39, 19942980), (45, 17283916), (52, 14957235), (60, 12962937), (65, 11965788), (78, 9971490), (90, 8641958), (117, 6647660), (130, 5982894), (156, 4985745), (180, 4320979), (195, 3988596), (234, 3323830), (260, 2991447), (379, 2052180), (390, 1994298), (468, 1661915), (585, 1329532), (758, 1026090), (780, 997149), (877, 886860), (1137, 684060), (1170, 664766), (1516, 513045), (1754, 443430), (1895, 410436), (2274, 342030), (2340, 332383), (2631, 295620), (3411, 228020), (3508, 221715), (3790, 205218), (4385, 177372), (4548, 171015), (4927, 157860), (5262, 147810), (5685, 136812), (6822, 114010), (7580, 102609), (7893, 98540), (8770, 88686), (9854, 78930), (10524, 73905), (11370, 68406), (11401, 68220), (13155, 59124), (13644, 57005), (14781, 52620), (15786, 49270), (17055, 45604), (17540, 44343), (19708, 39465), (22740, 34203), (22802, 34110), (24635, 31572), (26310, 29562)]