127907240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 321408000

約数和(自身を除く): 193500760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 61, 62, 76, 89, 95, 122, 124, 152, 155, 178, 190, 244, 248, 305, 310, 356, 380, 445, 488, 589, 610, 620, 712, 760, 890, 1159, 1178, 1220, 1240, 1691, 1780, 1891, 2318, 2356, 2440, 2759, 2945, 3382, 3560, 3782, 4636, 4712, 5429, 5518, 5795, 5890, 6764, 7564, 8455, 9272, 9455, 10858, 11036, 11590, 11780, 13528, 13795, 15128, 16910, 18910, 21716, 22072, 23180, 23560, 27145, 27590, 33820, 35929, 37820, 43432, 46360, 52421, 54290, 55180, 67640, 71858, 75640, 103151, 104842, 108580, 110360, 143716, 168299, 179645, 206302, 209684, 217160, 262105, 287432, 336598, 359290, 412604, 419368, 515755, 524210, 673196, 718580, 825208, 841495, 1031510, 1048420, 1346392, 1437160, 1682990, 2063020, 2096840, 3197681, 3365980, 4126040, 6395362, 6731960, 12790724, 15988405, 25581448, 31976810, 63953620, 127907240]

約数ペア:

[(1, 127907240), (2, 63953620), (4, 31976810), (5, 25581448), (8, 15988405), (10, 12790724), (19, 6731960), (20, 6395362), (31, 4126040), (38, 3365980), (40, 3197681), (61, 2096840), (62, 2063020), (76, 1682990), (89, 1437160), (95, 1346392), (122, 1048420), (124, 1031510), (152, 841495), (155, 825208), (178, 718580), (190, 673196), (244, 524210), (248, 515755), (305, 419368), (310, 412604), (356, 359290), (380, 336598), (445, 287432), (488, 262105), (589, 217160), (610, 209684), (620, 206302), (712, 179645), (760, 168299), (890, 143716), (1159, 110360), (1178, 108580), (1220, 104842), (1240, 103151), (1691, 75640), (1780, 71858), (1891, 67640), (2318, 55180), (2356, 54290), (2440, 52421), (2759, 46360), (2945, 43432), (3382, 37820), (3560, 35929), (3782, 33820), (4636, 27590), (4712, 27145), (5429, 23560), (5518, 23180), (5795, 22072), (5890, 21716), (6764, 18910), (7564, 16910), (8455, 15128), (9272, 13795), (9455, 13528), (10858, 11780), (11036, 11590)]