78990120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 256

約数和(自身を含む): 294624000

約数和(自身を除く): 215633880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 61, 66, 72, 88, 90, 99, 108, 109, 110, 120, 122, 132, 135, 165, 180, 183, 198, 216, 218, 220, 244, 264, 270, 297, 305, 327, 330, 360, 366, 396, 436, 440, 488, 495, 540, 545, 549, 594, 610, 654, 660, 671, 732, 792, 872, 915, 981, 990, 1080, 1090, 1098, 1188, 1199, 1220, 1308, 1320, 1342, 1464, 1485, 1635, 1647, 1830, 1962, 1980, 2013, 2180, 2196, 2376, 2398, 2440, 2616, 2684, 2745, 2943, 2970, 3270, 3294, 3355, 3597, 3660, 3924, 3960, 4026, 4360, 4392, 4796, 4905, 5368, 5490, 5886, 5940, 5995, 6039, 6540, 6588, 6649, 6710, 7194, 7320, 7848, 8052, 8235, 9592, 9810, 10065, 10791, 10980, 11772, 11880, 11990, 12078, 13080, 13176, 13298, 13420, 14388, 14715, 16104, 16470, 17985, 18117, 19620, 19947, 20130, 21582, 21960, 23544, 23980, 24156, 26596, 26840, 28776, 29430, 30195, 32373, 32940, 33245, 35970, 36234, 39240, 39894, 40260, 43164, 47960, 48312, 53192, 53955, 58860, 59841, 60390, 64746, 65880, 66490, 71940, 72468, 73139, 79788, 80520, 86328, 90585, 99735, 107910, 117720, 119682, 120780, 129492, 132980, 143880, 144936, 146278, 159576, 161865, 179523, 181170, 199470, 215820, 219417, 239364, 241560, 258984, 265960, 292556, 299205, 323730, 359046, 362340, 365695, 398940, 431640, 438834, 478728, 585112, 598410, 647460, 658251, 718092, 724680, 731390, 797880, 877668, 897615, 1097085, 1196820, 1294920, 1316502, 1436184, 1462780, 1755336, 1795230, 1974753, 2194170, 2393640, 2633004, 2925560, 3291255, 3590460, 3949506, 4388340, 5266008, 6582510, 7180920, 7899012, 8776680, 9873765, 13165020, 15798024, 19747530, 26330040, 39495060, 78990120]

約数ペア:

[(1, 78990120), (2, 39495060), (3, 26330040), (4, 19747530), (5, 15798024), (6, 13165020), (8, 9873765), (9, 8776680), (10, 7899012), (11, 7180920), (12, 6582510), (15, 5266008), (18, 4388340), (20, 3949506), (22, 3590460), (24, 3291255), (27, 2925560), (30, 2633004), (33, 2393640), (36, 2194170), (40, 1974753), (44, 1795230), (45, 1755336), (54, 1462780), (55, 1436184), (60, 1316502), (61, 1294920), (66, 1196820), (72, 1097085), (88, 897615), (90, 877668), (99, 797880), (108, 731390), (109, 724680), (110, 718092), (120, 658251), (122, 647460), (132, 598410), (135, 585112), (165, 478728), (180, 438834), (183, 431640), (198, 398940), (216, 365695), (218, 362340), (220, 359046), (244, 323730), (264, 299205), (270, 292556), (297, 265960), (305, 258984), (327, 241560), (330, 239364), (360, 219417), (366, 215820), (396, 199470), (436, 181170), (440, 179523), (488, 161865), (495, 159576), (540, 146278), (545, 144936), (549, 143880), (594, 132980), (610, 129492), (654, 120780), (660, 119682), (671, 117720), (732, 107910), (792, 99735), (872, 90585), (915, 86328), (981, 80520), (990, 79788), (1080, 73139), (1090, 72468), (1098, 71940), (1188, 66490), (1199, 65880), (1220, 64746), (1308, 60390), (1320, 59841), (1342, 58860), (1464, 53955), (1485, 53192), (1635, 48312), (1647, 47960), (1830, 43164), (1962, 40260), (1980, 39894), (2013, 39240), (2180, 36234), (2196, 35970), (2376, 33245), (2398, 32940), (2440, 32373), (2616, 30195), (2684, 29430), (2745, 28776), (2943, 26840), (2970, 26596), (3270, 24156), (3294, 23980), (3355, 23544), (3597, 21960), (3660, 21582), (3924, 20130), (3960, 19947), (4026, 19620), (4360, 18117), (4392, 17985), (4796, 16470), (4905, 16104), (5368, 14715), (5490, 14388), (5886, 13420), (5940, 13298), (5995, 13176), (6039, 13080), (6540, 12078), (6588, 11990), (6649, 11880), (6710, 11772), (7194, 10980), (7320, 10791), (7848, 10065), (8052, 9810), (8235, 9592)]