77831460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:522

約数の個数: 144

約数和(自身を含む): 272004096

約数和(自身を除く): 194172636

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 223, 252, 277, 315, 420, 446, 554, 630, 669, 831, 892, 1108, 1115, 1260, 1338, 1385, 1561, 1662, 1939, 2007, 2230, 2493, 2676, 2770, 3122, 3324, 3345, 3878, 4014, 4155, 4460, 4683, 4986, 5540, 5817, 6244, 6690, 7756, 7805, 8028, 8310, 9366, 9695, 9972, 10035, 11634, 12465, 13380, 14049, 15610, 16620, 17451, 18732, 19390, 20070, 23268, 23415, 24930, 28098, 29085, 31220, 34902, 38780, 40140, 46830, 49860, 56196, 58170, 61771, 69804, 70245, 87255, 93660, 116340, 123542, 140490, 174510, 185313, 247084, 280980, 308855, 349020, 370626, 432397, 555939, 617710, 741252, 864794, 926565, 1111878, 1235420, 1297191, 1729588, 1853130, 2161985, 2223756, 2594382, 2779695, 3706260, 3891573, 4323970, 5188764, 5559390, 6485955, 7783146, 8647940, 11118780, 12971910, 15566292, 19457865, 25943820, 38915730, 77831460]

約数ペア:

[(1, 77831460), (2, 38915730), (3, 25943820), (4, 19457865), (5, 15566292), (6, 12971910), (7, 11118780), (9, 8647940), (10, 7783146), (12, 6485955), (14, 5559390), (15, 5188764), (18, 4323970), (20, 3891573), (21, 3706260), (28, 2779695), (30, 2594382), (35, 2223756), (36, 2161985), (42, 1853130), (45, 1729588), (60, 1297191), (63, 1235420), (70, 1111878), (84, 926565), (90, 864794), (105, 741252), (126, 617710), (140, 555939), (180, 432397), (210, 370626), (223, 349020), (252, 308855), (277, 280980), (315, 247084), (420, 185313), (446, 174510), (554, 140490), (630, 123542), (669, 116340), (831, 93660), (892, 87255), (1108, 70245), (1115, 69804), (1260, 61771), (1338, 58170), (1385, 56196), (1561, 49860), (1662, 46830), (1939, 40140), (2007, 38780), (2230, 34902), (2493, 31220), (2676, 29085), (2770, 28098), (3122, 24930), (3324, 23415), (3345, 23268), (3878, 20070), (4014, 19390), (4155, 18732), (4460, 17451), (4683, 16620), (4986, 15610), (5540, 14049), (5817, 13380), (6244, 12465), (6690, 11634), (7756, 10035), (7805, 9972), (8028, 9695), (8310, 9366)]