72448240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 175988736

約数和(自身を除く): 103540496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 223, 248, 262, 310, 446, 496, 524, 620, 655, 892, 1048, 1115, 1240, 1310, 1784, 2096, 2230, 2480, 2620, 3568, 4061, 4460, 5240, 6913, 8122, 8920, 10480, 13826, 16244, 17840, 20305, 27652, 29213, 32488, 34565, 40610, 55304, 58426, 64976, 69130, 81220, 110608, 116852, 138260, 146065, 162440, 233704, 276520, 292130, 324880, 467408, 553040, 584260, 905603, 1168520, 1811206, 2337040, 3622412, 4528015, 7244824, 9056030, 14489648, 18112060, 36224120, 72448240]

約数ペア:

[(1, 72448240), (2, 36224120), (4, 18112060), (5, 14489648), (8, 9056030), (10, 7244824), (16, 4528015), (20, 3622412), (31, 2337040), (40, 1811206), (62, 1168520), (80, 905603), (124, 584260), (131, 553040), (155, 467408), (223, 324880), (248, 292130), (262, 276520), (310, 233704), (446, 162440), (496, 146065), (524, 138260), (620, 116852), (655, 110608), (892, 81220), (1048, 69130), (1115, 64976), (1240, 58426), (1310, 55304), (1784, 40610), (2096, 34565), (2230, 32488), (2480, 29213), (2620, 27652), (3568, 20305), (4061, 17840), (4460, 16244), (5240, 13826), (6913, 10480), (8122, 8920)]