55436680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 146764800

約数和(自身を除く): 91328120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 181, 190, 247, 248, 260, 310, 362, 380, 403, 494, 520, 589, 620, 724, 760, 806, 905, 988, 1178, 1235, 1240, 1448, 1612, 1810, 1976, 2015, 2353, 2356, 2470, 2945, 3224, 3439, 3620, 4030, 4706, 4712, 4940, 5611, 5890, 6878, 7240, 7657, 8060, 9412, 9880, 11222, 11765, 11780, 13756, 15314, 16120, 17195, 18824, 22444, 23530, 23560, 27512, 28055, 30628, 34390, 38285, 44707, 44888, 47060, 56110, 61256, 68780, 72943, 76570, 89414, 94120, 106609, 112220, 137560, 145886, 153140, 178828, 213218, 223535, 224440, 291772, 306280, 357656, 364715, 426436, 447070, 533045, 583544, 729430, 852872, 894140, 1066090, 1385917, 1458860, 1788280, 2132180, 2771834, 2917720, 4264360, 5543668, 6929585, 11087336, 13859170, 27718340, 55436680]

約数ペア:

[(1, 55436680), (2, 27718340), (4, 13859170), (5, 11087336), (8, 6929585), (10, 5543668), (13, 4264360), (19, 2917720), (20, 2771834), (26, 2132180), (31, 1788280), (38, 1458860), (40, 1385917), (52, 1066090), (62, 894140), (65, 852872), (76, 729430), (95, 583544), (104, 533045), (124, 447070), (130, 426436), (152, 364715), (155, 357656), (181, 306280), (190, 291772), (247, 224440), (248, 223535), (260, 213218), (310, 178828), (362, 153140), (380, 145886), (403, 137560), (494, 112220), (520, 106609), (589, 94120), (620, 89414), (724, 76570), (760, 72943), (806, 68780), (905, 61256), (988, 56110), (1178, 47060), (1235, 44888), (1240, 44707), (1448, 38285), (1612, 34390), (1810, 30628), (1976, 28055), (2015, 27512), (2353, 23560), (2356, 23530), (2470, 22444), (2945, 18824), (3224, 17195), (3439, 16120), (3620, 15314), (4030, 13756), (4706, 11780), (4712, 11765), (4940, 11222), (5611, 9880), (5890, 9412), (6878, 8060), (7240, 7657)]