645976760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3643}}^1$

素因数の和:3709

約数の個数: 128

約数和(自身を含む): 1763112960

約数和(自身を除く): 1117136200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2728, 2860, 3224, 3410, 3643, 4030, 4433, 5720, 6820, 7286, 8060, 8866, 13640, 14572, 16120, 17732, 18215, 22165, 29144, 35464, 36430, 40073, 44330, 47359, 72860, 80146, 88660, 94718, 112933, 145720, 160292, 177320, 189436, 200365, 225866, 236795, 320584, 378872, 400730, 451732, 473590, 520949, 564665, 801460, 903464, 947180, 1041898, 1129330, 1242263, 1468129, 1602920, 1894360, 2083796, 2258660, 2484526, 2604745, 2936258, 4167592, 4517320, 4969052, 5209490, 5872516, 6211315, 7340645, 9938104, 10418980, 11745032, 12422630, 14681290, 16149419, 20837960, 24845260, 29362580, 32298838, 49690520, 58725160, 64597676, 80747095, 129195352, 161494190, 322988380, 645976760]

約数ペア:

[(1, 645976760), (2, 322988380), (4, 161494190), (5, 129195352), (8, 80747095), (10, 64597676), (11, 58725160), (13, 49690520), (20, 32298838), (22, 29362580), (26, 24845260), (31, 20837960), (40, 16149419), (44, 14681290), (52, 12422630), (55, 11745032), (62, 10418980), (65, 9938104), (88, 7340645), (104, 6211315), (110, 5872516), (124, 5209490), (130, 4969052), (143, 4517320), (155, 4167592), (220, 2936258), (248, 2604745), (260, 2484526), (286, 2258660), (310, 2083796), (341, 1894360), (403, 1602920), (440, 1468129), (520, 1242263), (572, 1129330), (620, 1041898), (682, 947180), (715, 903464), (806, 801460), (1144, 564665), (1240, 520949), (1364, 473590), (1430, 451732), (1612, 400730), (1705, 378872), (2015, 320584), (2728, 236795), (2860, 225866), (3224, 200365), (3410, 189436), (3643, 177320), (4030, 160292), (4433, 145720), (5720, 112933), (6820, 94718), (7286, 88660), (8060, 80146), (8866, 72860), (13640, 47359), (14572, 44330), (16120, 40073), (17732, 36430), (18215, 35464), (22165, 29144)]