72501560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 171417600

約数和(自身を除く): 98916040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 991, 1180, 1240, 1829, 1982, 2360, 3658, 3964, 4955, 7316, 7928, 9145, 9910, 14632, 18290, 19820, 30721, 36580, 39640, 58469, 61442, 73160, 116938, 122884, 153605, 233876, 245768, 292345, 307210, 467752, 584690, 614420, 1169380, 1228840, 1812539, 2338760, 3625078, 7250156, 9062695, 14500312, 18125390, 36250780, 72501560]

約数ペア:

[(1, 72501560), (2, 36250780), (4, 18125390), (5, 14500312), (8, 9062695), (10, 7250156), (20, 3625078), (31, 2338760), (40, 1812539), (59, 1228840), (62, 1169380), (118, 614420), (124, 584690), (155, 467752), (236, 307210), (248, 292345), (295, 245768), (310, 233876), (472, 153605), (590, 122884), (620, 116938), (991, 73160), (1180, 61442), (1240, 58469), (1829, 39640), (1982, 36580), (2360, 30721), (3658, 19820), (3964, 18290), (4955, 14632), (7316, 9910), (7928, 9145)]