72502960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:718

約数の個数: 80

約数和(自身を含む): 180792000

約数和(自身を除く): 108289040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 170, 178, 272, 340, 356, 445, 599, 680, 712, 890, 1198, 1360, 1424, 1513, 1780, 2396, 2995, 3026, 3560, 4792, 5990, 6052, 7120, 7565, 9584, 10183, 11980, 12104, 15130, 20366, 23960, 24208, 30260, 40732, 47920, 50915, 53311, 60520, 81464, 101830, 106622, 121040, 162928, 203660, 213244, 266555, 407320, 426488, 533110, 814640, 852976, 906287, 1066220, 1812574, 2132440, 3625148, 4264880, 4531435, 7250296, 9062870, 14500592, 18125740, 36251480, 72502960]

約数ペア:

[(1, 72502960), (2, 36251480), (4, 18125740), (5, 14500592), (8, 9062870), (10, 7250296), (16, 4531435), (17, 4264880), (20, 3625148), (34, 2132440), (40, 1812574), (68, 1066220), (80, 906287), (85, 852976), (89, 814640), (136, 533110), (170, 426488), (178, 407320), (272, 266555), (340, 213244), (356, 203660), (445, 162928), (599, 121040), (680, 106622), (712, 101830), (890, 81464), (1198, 60520), (1360, 53311), (1424, 50915), (1513, 47920), (1780, 40732), (2396, 30260), (2995, 24208), (3026, 23960), (3560, 20366), (4792, 15130), (5990, 12104), (6052, 11980), (7120, 10183), (7565, 9584)]