72045890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 157026816

約数和(自身を除く): 84980926

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 73, 115, 146, 161, 230, 322, 365, 511, 613, 730, 805, 1022, 1226, 1610, 1679, 2555, 3065, 3358, 4291, 5110, 6130, 8395, 8582, 11753, 14099, 16790, 21455, 23506, 28198, 42910, 44749, 58765, 70495, 89498, 98693, 117530, 140990, 197386, 223745, 313243, 447490, 493465, 626486, 986930, 1029227, 1566215, 2058454, 3132430, 5146135, 7204589, 10292270, 14409178, 36022945, 72045890]

約数ペア:

[(1, 72045890), (2, 36022945), (5, 14409178), (7, 10292270), (10, 7204589), (14, 5146135), (23, 3132430), (35, 2058454), (46, 1566215), (70, 1029227), (73, 986930), (115, 626486), (146, 493465), (161, 447490), (230, 313243), (322, 223745), (365, 197386), (511, 140990), (613, 117530), (730, 98693), (805, 89498), (1022, 70495), (1226, 58765), (1610, 44749), (1679, 42910), (2555, 28198), (3065, 23506), (3358, 21455), (4291, 16790), (5110, 14099), (6130, 11753), (8395, 8582)]