81768060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 275419872

約数和(自身を除く): 193651812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 677, 732, 915, 990, 1098, 1220, 1342, 1354, 1830, 1980, 2013, 2031, 2196, 2684, 2708, 2745, 3355, 3385, 3660, 4026, 4062, 5490, 6039, 6093, 6710, 6770, 7447, 8052, 8124, 10065, 10155, 10980, 12078, 12186, 13420, 13540, 14894, 20130, 20310, 22341, 24156, 24372, 29788, 30195, 30465, 37235, 40260, 40620, 41297, 44682, 60390, 60930, 67023, 74470, 82594, 89364, 111705, 120780, 121860, 123891, 134046, 148940, 165188, 206485, 223410, 247782, 268092, 335115, 371673, 412970, 446820, 454267, 495564, 619455, 670230, 743346, 825940, 908534, 1238910, 1340460, 1362801, 1486692, 1817068, 1858365, 2271335, 2477820, 2725602, 3716730, 4088403, 4542670, 5451204, 6814005, 7433460, 8176806, 9085340, 13628010, 16353612, 20442015, 27256020, 40884030, 81768060]

約数ペア:

[(1, 81768060), (2, 40884030), (3, 27256020), (4, 20442015), (5, 16353612), (6, 13628010), (9, 9085340), (10, 8176806), (11, 7433460), (12, 6814005), (15, 5451204), (18, 4542670), (20, 4088403), (22, 3716730), (30, 2725602), (33, 2477820), (36, 2271335), (44, 1858365), (45, 1817068), (55, 1486692), (60, 1362801), (61, 1340460), (66, 1238910), (90, 908534), (99, 825940), (110, 743346), (122, 670230), (132, 619455), (165, 495564), (180, 454267), (183, 446820), (198, 412970), (220, 371673), (244, 335115), (305, 268092), (330, 247782), (366, 223410), (396, 206485), (495, 165188), (549, 148940), (610, 134046), (660, 123891), (671, 121860), (677, 120780), (732, 111705), (915, 89364), (990, 82594), (1098, 74470), (1220, 67023), (1342, 60930), (1354, 60390), (1830, 44682), (1980, 41297), (2013, 40620), (2031, 40260), (2196, 37235), (2684, 30465), (2708, 30195), (2745, 29788), (3355, 24372), (3385, 24156), (3660, 22341), (4026, 20310), (4062, 20130), (5490, 14894), (6039, 13540), (6093, 13420), (6710, 12186), (6770, 12078), (7447, 10980), (8052, 10155), (8124, 10065)]