15004000

素因数分解:

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

素因数の和:78

約数の個数: 144

約数和(自身を含む): 41827968

約数和(自身を除く): 26823968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 121, 124, 125, 155, 160, 176, 200, 220, 242, 248, 250, 275, 310, 341, 352, 400, 440, 484, 496, 500, 550, 605, 620, 682, 775, 800, 880, 968, 992, 1000, 1100, 1210, 1240, 1364, 1375, 1550, 1705, 1760, 1936, 2000, 2200, 2420, 2480, 2728, 2750, 3025, 3100, 3410, 3751, 3872, 3875, 4000, 4400, 4840, 4960, 5456, 5500, 6050, 6200, 6820, 7502, 7750, 8525, 8800, 9680, 10912, 11000, 12100, 12400, 13640, 15004, 15125, 15500, 17050, 18755, 19360, 22000, 24200, 24800, 27280, 30008, 30250, 31000, 34100, 37510, 42625, 44000, 48400, 54560, 60016, 60500, 62000, 68200, 75020, 85250, 93775, 96800, 120032, 121000, 124000, 136400, 150040, 170500, 187550, 242000, 272800, 300080, 341000, 375100, 468875, 484000, 600160, 682000, 750200, 937750, 1364000, 1500400, 1875500, 3000800, 3751000, 7502000, 15004000]

約数ペア:

[(1, 15004000), (2, 7502000), (4, 3751000), (5, 3000800), (8, 1875500), (10, 1500400), (11, 1364000), (16, 937750), (20, 750200), (22, 682000), (25, 600160), (31, 484000), (32, 468875), (40, 375100), (44, 341000), (50, 300080), (55, 272800), (62, 242000), (80, 187550), (88, 170500), (100, 150040), (110, 136400), (121, 124000), (124, 121000), (125, 120032), (155, 96800), (160, 93775), (176, 85250), (200, 75020), (220, 68200), (242, 62000), (248, 60500), (250, 60016), (275, 54560), (310, 48400), (341, 44000), (352, 42625), (400, 37510), (440, 34100), (484, 31000), (496, 30250), (500, 30008), (550, 27280), (605, 24800), (620, 24200), (682, 22000), (775, 19360), (800, 18755), (880, 17050), (968, 15500), (992, 15125), (1000, 15004), (1100, 13640), (1210, 12400), (1240, 12100), (1364, 11000), (1375, 10912), (1550, 9680), (1705, 8800), (1760, 8525), (1936, 7750), (2000, 7502), (2200, 6820), (2420, 6200), (2480, 6050), (2728, 5500), (2750, 5456), (3025, 4960), (3100, 4840), (3410, 4400), (3751, 4000), (3872, 3875)]