215689980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1163}}^1$

素因数の和:1467

約数の個数: 96

約数和(自身を含む): 661747968

約数和(自身を除く): 446057988

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 281, 330, 562, 660, 843, 1124, 1163, 1405, 1686, 2326, 2810, 3091, 3372, 3489, 4215, 4652, 5620, 5815, 6182, 6978, 8430, 9273, 11630, 12364, 12793, 13956, 15455, 16860, 17445, 18546, 23260, 25586, 30910, 34890, 37092, 38379, 46365, 51172, 61820, 63965, 69780, 76758, 92730, 127930, 153516, 185460, 191895, 255860, 326803, 383790, 653606, 767580, 980409, 1307212, 1634015, 1960818, 3268030, 3594833, 3921636, 4902045, 6536060, 7189666, 9804090, 10784499, 14379332, 17974165, 19608180, 21568998, 35948330, 43137996, 53922495, 71896660, 107844990, 215689980]

約数ペア:

[(1, 215689980), (2, 107844990), (3, 71896660), (4, 53922495), (5, 43137996), (6, 35948330), (10, 21568998), (11, 19608180), (12, 17974165), (15, 14379332), (20, 10784499), (22, 9804090), (30, 7189666), (33, 6536060), (44, 4902045), (55, 3921636), (60, 3594833), (66, 3268030), (110, 1960818), (132, 1634015), (165, 1307212), (220, 980409), (281, 767580), (330, 653606), (562, 383790), (660, 326803), (843, 255860), (1124, 191895), (1163, 185460), (1405, 153516), (1686, 127930), (2326, 92730), (2810, 76758), (3091, 69780), (3372, 63965), (3489, 61820), (4215, 51172), (4652, 46365), (5620, 38379), (5815, 37092), (6182, 34890), (6978, 30910), (8430, 25586), (9273, 23260), (11630, 18546), (12364, 17445), (12793, 16860), (13956, 15455)]