55678740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 188768160

約数和(自身を除く): 133089420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 19, 20, 26, 30, 34, 38, 39, 51, 52, 57, 60, 65, 68, 76, 78, 85, 95, 102, 114, 130, 156, 169, 170, 190, 195, 204, 221, 228, 247, 255, 260, 285, 289, 323, 338, 340, 380, 390, 442, 494, 507, 510, 570, 578, 646, 663, 676, 741, 780, 845, 867, 884, 969, 988, 1014, 1020, 1105, 1140, 1156, 1235, 1292, 1326, 1445, 1482, 1615, 1690, 1734, 1938, 2028, 2210, 2470, 2535, 2652, 2873, 2890, 2964, 3211, 3230, 3315, 3380, 3468, 3705, 3757, 3876, 4199, 4335, 4420, 4845, 4940, 5070, 5491, 5746, 5780, 6422, 6460, 6630, 7410, 7514, 8398, 8619, 8670, 9633, 9690, 10140, 10982, 11271, 11492, 12597, 12844, 13260, 14365, 14820, 15028, 16055, 16473, 16796, 17238, 17340, 18785, 19266, 19380, 20995, 21964, 22542, 25194, 27455, 28730, 32110, 32946, 34476, 37570, 38532, 41990, 43095, 45084, 48165, 48841, 50388, 54587, 54910, 56355, 57460, 62985, 64220, 65892, 71383, 75140, 82365, 83980, 86190, 96330, 97682, 109174, 109820, 112710, 125970, 142766, 146523, 163761, 164730, 172380, 192660, 195364, 214149, 218348, 225420, 244205, 251940, 272935, 285532, 293046, 327522, 329460, 356915, 428298, 488410, 545870, 586092, 655044, 713830, 732615, 818805, 856596, 927979, 976820, 1070745, 1091740, 1427660, 1465230, 1637610, 1855958, 2141490, 2783937, 2930460, 3275220, 3711916, 4282980, 4639895, 5567874, 9279790, 11135748, 13919685, 18559580, 27839370, 55678740]

約数ペア:

[(1, 55678740), (2, 27839370), (3, 18559580), (4, 13919685), (5, 11135748), (6, 9279790), (10, 5567874), (12, 4639895), (13, 4282980), (15, 3711916), (17, 3275220), (19, 2930460), (20, 2783937), (26, 2141490), (30, 1855958), (34, 1637610), (38, 1465230), (39, 1427660), (51, 1091740), (52, 1070745), (57, 976820), (60, 927979), (65, 856596), (68, 818805), (76, 732615), (78, 713830), (85, 655044), (95, 586092), (102, 545870), (114, 488410), (130, 428298), (156, 356915), (169, 329460), (170, 327522), (190, 293046), (195, 285532), (204, 272935), (221, 251940), (228, 244205), (247, 225420), (255, 218348), (260, 214149), (285, 195364), (289, 192660), (323, 172380), (338, 164730), (340, 163761), (380, 146523), (390, 142766), (442, 125970), (494, 112710), (507, 109820), (510, 109174), (570, 97682), (578, 96330), (646, 86190), (663, 83980), (676, 82365), (741, 75140), (780, 71383), (845, 65892), (867, 64220), (884, 62985), (969, 57460), (988, 56355), (1014, 54910), (1020, 54587), (1105, 50388), (1140, 48841), (1156, 48165), (1235, 45084), (1292, 43095), (1326, 41990), (1445, 38532), (1482, 37570), (1615, 34476), (1690, 32946), (1734, 32110), (1938, 28730), (2028, 27455), (2210, 25194), (2470, 22542), (2535, 21964), (2652, 20995), (2873, 19380), (2890, 19266), (2964, 18785), (3211, 17340), (3230, 17238), (3315, 16796), (3380, 16473), (3468, 16055), (3705, 15028), (3757, 14820), (3876, 14365), (4199, 13260), (4335, 12844), (4420, 12597), (4845, 11492), (4940, 11271), (5070, 10982), (5491, 10140), (5746, 9690), (5780, 9633), (6422, 8670), (6460, 8619), (6630, 8398), (7410, 7514)]