664843980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{15541}}^1$

素因数の和:15607

約数の個数: 96

約数和(自身を含む): 2005291008

約数和(自身を除く): 1340447028

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 31, 46, 60, 62, 69, 92, 93, 115, 124, 138, 155, 186, 230, 276, 310, 345, 372, 460, 465, 620, 690, 713, 930, 1380, 1426, 1860, 2139, 2852, 3565, 4278, 7130, 8556, 10695, 14260, 15541, 21390, 31082, 42780, 46623, 62164, 77705, 93246, 155410, 186492, 233115, 310820, 357443, 466230, 481771, 714886, 932460, 963542, 1072329, 1429772, 1445313, 1787215, 1927084, 2144658, 2408855, 2890626, 3574430, 4289316, 4817710, 5361645, 5781252, 7148860, 7226565, 9635420, 10723290, 11080733, 14453130, 21446580, 22161466, 28906260, 33242199, 44322932, 55403665, 66484398, 110807330, 132968796, 166210995, 221614660, 332421990, 664843980]

約数ペア:

[(1, 664843980), (2, 332421990), (3, 221614660), (4, 166210995), (5, 132968796), (6, 110807330), (10, 66484398), (12, 55403665), (15, 44322932), (20, 33242199), (23, 28906260), (30, 22161466), (31, 21446580), (46, 14453130), (60, 11080733), (62, 10723290), (69, 9635420), (92, 7226565), (93, 7148860), (115, 5781252), (124, 5361645), (138, 4817710), (155, 4289316), (186, 3574430), (230, 2890626), (276, 2408855), (310, 2144658), (345, 1927084), (372, 1787215), (460, 1445313), (465, 1429772), (620, 1072329), (690, 963542), (713, 932460), (930, 714886), (1380, 481771), (1426, 466230), (1860, 357443), (2139, 310820), (2852, 233115), (3565, 186492), (4278, 155410), (7130, 93246), (8556, 77705), (10695, 62164), (14260, 46623), (15541, 42780), (21390, 31082)]