31787730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 90221040

約数和(自身を除く): 58433310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 101, 117, 130, 195, 202, 234, 269, 303, 390, 505, 538, 585, 606, 807, 909, 1010, 1170, 1313, 1345, 1515, 1614, 1818, 2421, 2626, 2690, 3030, 3497, 3939, 4035, 4545, 4842, 6565, 6994, 7878, 8070, 9090, 10491, 11817, 12105, 13130, 17485, 19695, 20982, 23634, 24210, 27169, 31473, 34970, 39390, 52455, 54338, 59085, 62946, 81507, 104910, 118170, 135845, 157365, 163014, 244521, 271690, 314730, 353197, 407535, 489042, 706394, 815070, 1059591, 1222605, 1765985, 2119182, 2445210, 3178773, 3531970, 5297955, 6357546, 10595910, 15893865, 31787730]

約数ペア:

[(1, 31787730), (2, 15893865), (3, 10595910), (5, 6357546), (6, 5297955), (9, 3531970), (10, 3178773), (13, 2445210), (15, 2119182), (18, 1765985), (26, 1222605), (30, 1059591), (39, 815070), (45, 706394), (65, 489042), (78, 407535), (90, 353197), (101, 314730), (117, 271690), (130, 244521), (195, 163014), (202, 157365), (234, 135845), (269, 118170), (303, 104910), (390, 81507), (505, 62946), (538, 59085), (585, 54338), (606, 52455), (807, 39390), (909, 34970), (1010, 31473), (1170, 27169), (1313, 24210), (1345, 23634), (1515, 20982), (1614, 19695), (1818, 17485), (2421, 13130), (2626, 12105), (2690, 11817), (3030, 10491), (3497, 9090), (3939, 8070), (4035, 7878), (4545, 6994), (4842, 6565)]