78322120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 184343040

約数和(自身を除く): 106020920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 761, 830, 1240, 1522, 1660, 2573, 3044, 3320, 3805, 5146, 6088, 7610, 10292, 12865, 15220, 20584, 23591, 25730, 30440, 47182, 51460, 63163, 94364, 102920, 117955, 126326, 188728, 235910, 252652, 315815, 471820, 505304, 631630, 943640, 1263260, 1958053, 2526520, 3916106, 7832212, 9790265, 15664424, 19580530, 39161060, 78322120]

約数ペア:

[(1, 78322120), (2, 39161060), (4, 19580530), (5, 15664424), (8, 9790265), (10, 7832212), (20, 3916106), (31, 2526520), (40, 1958053), (62, 1263260), (83, 943640), (124, 631630), (155, 505304), (166, 471820), (248, 315815), (310, 252652), (332, 235910), (415, 188728), (620, 126326), (664, 117955), (761, 102920), (830, 94364), (1240, 63163), (1522, 51460), (1660, 47182), (2573, 30440), (3044, 25730), (3320, 23591), (3805, 20584), (5146, 15220), (6088, 12865), (7610, 10292)]