81962790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4289}}^1$

素因数の和:4326

約数の個数: 96

約数和(自身を含む): 246486240

約数和(自身を除く): 164523450

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1274, 1365, 1470, 1911, 2730, 3185, 3822, 4289, 6370, 8578, 9555, 12867, 19110, 21445, 25734, 30023, 42890, 55757, 60046, 64335, 90069, 111514, 128670, 150115, 167271, 180138, 210161, 278785, 300230, 334542, 390299, 420322, 450345, 557570, 630483, 780598, 836355, 900690, 1050805, 1170897, 1260966, 1672710, 1951495, 2101610, 2341794, 2732093, 3152415, 3902990, 5464186, 5854485, 6304830, 8196279, 11708970, 13660465, 16392558, 27320930, 40981395, 81962790]

約数ペア:

[(1, 81962790), (2, 40981395), (3, 27320930), (5, 16392558), (6, 13660465), (7, 11708970), (10, 8196279), (13, 6304830), (14, 5854485), (15, 5464186), (21, 3902990), (26, 3152415), (30, 2732093), (35, 2341794), (39, 2101610), (42, 1951495), (49, 1672710), (65, 1260966), (70, 1170897), (78, 1050805), (91, 900690), (98, 836355), (105, 780598), (130, 630483), (147, 557570), (182, 450345), (195, 420322), (210, 390299), (245, 334542), (273, 300230), (294, 278785), (390, 210161), (455, 180138), (490, 167271), (546, 150115), (637, 128670), (735, 111514), (910, 90069), (1274, 64335), (1365, 60046), (1470, 55757), (1911, 42890), (2730, 30023), (3185, 25734), (3822, 21445), (4289, 19110), (6370, 12867), (8578, 9555)]