1788280

素因数分解:

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

素因数の和:224

約数の個数: 64

約数和(自身を含む): 4586400

約数和(自身を除く): 2798120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 181, 190, 247, 260, 362, 380, 494, 520, 724, 760, 905, 988, 1235, 1448, 1810, 1976, 2353, 2470, 3439, 3620, 4706, 4940, 6878, 7240, 9412, 9880, 11765, 13756, 17195, 18824, 23530, 27512, 34390, 44707, 47060, 68780, 89414, 94120, 137560, 178828, 223535, 357656, 447070, 894140, 1788280]

約数ペア:

[(1, 1788280), (2, 894140), (4, 447070), (5, 357656), (8, 223535), (10, 178828), (13, 137560), (19, 94120), (20, 89414), (26, 68780), (38, 47060), (40, 44707), (52, 34390), (65, 27512), (76, 23530), (95, 18824), (104, 17195), (130, 13756), (152, 11765), (181, 9880), (190, 9412), (247, 7240), (260, 6878), (362, 4940), (380, 4706), (494, 3620), (520, 3439), (724, 2470), (760, 2353), (905, 1976), (988, 1810), (1235, 1448)]