66767800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 178113600

約数和(自身を除く): 111345800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 88, 89, 100, 110, 121, 124, 155, 178, 200, 220, 242, 248, 275, 310, 341, 356, 440, 445, 484, 550, 605, 620, 682, 712, 775, 890, 968, 979, 1100, 1210, 1240, 1364, 1550, 1705, 1780, 1958, 2200, 2225, 2420, 2728, 2759, 3025, 3100, 3410, 3560, 3751, 3916, 4450, 4840, 4895, 5518, 6050, 6200, 6820, 7502, 7832, 8525, 8900, 9790, 10769, 11036, 12100, 13640, 13795, 15004, 17050, 17800, 18755, 19580, 21538, 22072, 24200, 24475, 27590, 30008, 30349, 34100, 37510, 39160, 43076, 48950, 53845, 55180, 60698, 68200, 68975, 75020, 86152, 93775, 97900, 107690, 110360, 121396, 137950, 150040, 151745, 187550, 195800, 215380, 242792, 269225, 275900, 303490, 333839, 375100, 430760, 538450, 551800, 606980, 667678, 750200, 758725, 1076900, 1213960, 1335356, 1517450, 1669195, 2153800, 2670712, 3034900, 3338390, 6069800, 6676780, 8345975, 13353560, 16691950, 33383900, 66767800]

約数ペア:

[(1, 66767800), (2, 33383900), (4, 16691950), (5, 13353560), (8, 8345975), (10, 6676780), (11, 6069800), (20, 3338390), (22, 3034900), (25, 2670712), (31, 2153800), (40, 1669195), (44, 1517450), (50, 1335356), (55, 1213960), (62, 1076900), (88, 758725), (89, 750200), (100, 667678), (110, 606980), (121, 551800), (124, 538450), (155, 430760), (178, 375100), (200, 333839), (220, 303490), (242, 275900), (248, 269225), (275, 242792), (310, 215380), (341, 195800), (356, 187550), (440, 151745), (445, 150040), (484, 137950), (550, 121396), (605, 110360), (620, 107690), (682, 97900), (712, 93775), (775, 86152), (890, 75020), (968, 68975), (979, 68200), (1100, 60698), (1210, 55180), (1240, 53845), (1364, 48950), (1550, 43076), (1705, 39160), (1780, 37510), (1958, 34100), (2200, 30349), (2225, 30008), (2420, 27590), (2728, 24475), (2759, 24200), (3025, 22072), (3100, 21538), (3410, 19580), (3560, 18755), (3751, 17800), (3916, 17050), (4450, 15004), (4840, 13795), (4895, 13640), (5518, 12100), (6050, 11036), (6200, 10769), (6820, 9790), (7502, 8900), (7832, 8525)]